Riquelme, M. B.
2002. See Botto, E. N. et al., 2002.
Risco, Saúl H.
1956. Principales insectos [que] atacan a la caña de azúcar en el Perú. Azúcar (Lima) 3(11): 41-55, 13 figs. (December) [also in La Vida agrícola (Lima) 34(398): 29-45, 13 figs; 1957] [Prenes ares Felder; life history; Peru]
1970. See Dogger, J. & S. H. Risco, 1970.
Ritter, Karl (= Carl) [1779-1859]
1836. Naturhistorische Reise nach der westindischen Insel Hayti auf Kosten Sr. Majestät des Kaisers von Oesterreich. Stuttgart, Hallberger'sche Verlagshand-lung. i-viii, 9-206, 3 pls. [general]
Riva, Rita
[1997]. See Couturier, G. et al., 1997.
Rivarola, Héctor
1973. South American Morpho. Animals (London) 15(10): 436-437, 3 figs. (October) [M. catenarius (Perry); host plants; egg, larva, pupa, imago; Argentina]
Rivera, Eduardo, and Miguel E. Equihua
1997. New records of plant species used by adult monarch butterflies Danaus plexippus L. (Lepidoptera: Nymphalidae: Danainae) during migration in Mexico. Canadian Entomologist 129(2): 375-376, 1 tab. (May)
Rivera, Lucio [1937- ]
1975. Colecta de material entomológico en el Estado de Veracruz. Boletín informativo. Sociedad mexicana de Lepidopterología 1(6): 7-8 (November-December) [general; México]
Rivero, Rafael
1963. El nacimiento de una mariposa. Tricolor (Caracas) 151: 16-17, 9 figs. [Danaus plexippus (Linnaeus); life history]
Rizzo, Horacio Fausto Emilio [1932- ]
1964. See Margheritis, A. E. & H. F. E. Rizzo, 1964.
1965. See Margheritis, A. E. & H. F. E. Rizzo, 1965.
1970. See Margheritis, A. E. & H. F. E. Rizzo, 1970.
1971. Catálogo de lepidópteros hallados en la Facultad de Agronomía y Veterinaria de Buenos Aires. Publicación interna. Facultad de Agronomía y Veterinaria. Universidad de Buenos Aires 2: 1-35. [general; host plants; Argentina]
1972. Enemigos animales del cultivo de la soja. Revista institucional de la Bolsa de Cereales (Buenos Aires) 49(2851): 42-47, 9 figs. (April) [Eurema deva (Doubleday), Chioides catillus (Cramer); Argentina]
1977. Catálogo de insectos perjudiciales en cultivos de la Argentina. Buenos Aires, Editorial Hemisferio Sur. xii + 65 pp. [Ed. 4] [general; host plants]
Rizzo, Horacio Fausto Emilio, and Adolfo D. Losada
1975. Insectos encontrados en cultivo de soja (Glycine max (L.) Merrill) en la zona de Yraizoz (Provincia de Buenos Aires, Argentina). Fitotecnia latinoamericana 11(1): 3-8. [Colias lesbia (Fabricius)]
Robbins, Richard G.
1995. See Lamas, G. et al., 1995.
Robbins, Robert Kanner [1947‑ ]
1980. The lycaenid "false head" hypothesis: historical review and quantitative analysis. Journal of the Lepidopterists' Society 34(2): 194‑208, 5 figs., 1 tab. (23 September) [general]
1981. The "false head" hypothesis: predation and wing pattern variation of lycaenid butterflies. American Naturalist 118(5): 770‑775, 1 fig., 2 tabs. (November) [general]
1982. How many butterfly species? News of the Lepidopterists' Society 1982(3): 40‑41 (May‑June) [general]
1984. See Chew, F. S. & R. K. Robbins, 1984.
1986. Independent evolution of the "false head" behavior in Riodinidae. Journal of the Lepidopterists' Society 39(3): 224‑225 (13 May) [general]
1987. Evolution and identification of the New World hairstreak butterflies (Lycaenidae: Eumaeini): Eliot's Trichonis section and Trichonis Hewitson. Journal of the Lepidopterists' Society 40(3): 138‑157, 8 figs. (23 January) [South America]
1988a. Logic and phylogeny: a critique of Scott's phylogenies to the butterflies and Macrolepidoptera. Journal of the Lepidopterists' Society 41(4): 214-216, 4 figs. (5 January) [general]
1988b. Comparative morphology of the butterfly foreleg coxa and trochanter (Lepidoptera) and its systematic implications. Proceedings of the entomological Society of Washington 90(2): 133-154, 53 figs., 1 tab. (29 April) [general]
1988c. Male foretarsal variation in Lycaenidae and Riodinidae, and the systematic placement of Styx infernalis (Lepidoptera). Proceedings of the entomological Society of Washington 90(3): 356-368, 36 figs. (20 July)
1990. Systematic implications of butterfly leg structures that clean the antennae. Psyche (Cambridge) 96(3/4): 209-221, 29 figs. 1 tab. [general; behavior; Venezuela]
1991a. See Lamas, G. et al., 1991.
1991b. Evolution, comparative morphology, and identification of the eumaeine butterfly genus Rekoa Kaye (Lycaenidae: Theclinae). Smithsonian Contributions to Zoology 498: i-iii, 1-64, 116 figs., 17 tabs. [general; classification; phylogeny; ecology; behavior]
1991c. Cost and evolution of a facultative mutualism between ants and lycaenid larvae (Lepidoptera). Oikos 62(3): 363-369, 1 fig., 2 tabs. (December) [Arawacus lincoides (Draudt); host plants; Panama]
1993a. Comparison of butterfly diversity in the Neotropical and Oriental regions. Journal of the Lepidopterists' Society 46(4): 298-300, 1 fig. (19 January) [general]
1993b. See Lamas, G. et al., 1993.
1993c. False heads: the real tale. American Butterflies 1(4): 19-22, 4 figs. (November) [Lycaenidae; behavior; Neotropics]
1994. Naming hairstreaks. American Butterflies 2(3): 28-31, 4 figs. (August) [Lycaenidae; Mexico, Central America]
1996. See Medina, M. C. et al., 1996.
[1997]a. See Lamas, G. et al., 1997.
1997b. These legs were made for walking - and so much more! American Butterflies 5(1): 28-33. figs. [general; morphology; behavior]
2000a. The New World hairstreak genus Arawacus Kaye (Lepidoptera: Lycaenidae: Theclinae: Eumaeini). Proceedings of the entomological Society of Washington 102(1): 162-169, 14 figs. (10 January) [general; taxonomy]
2000b. See Burns, J. M. et al., 2000.
2001a. Passion. News of the Lepidopterists' Society 43(1): 7 (15 March) [general]
2001b. Building a better butterfly-trap. News of the Lepidopterists' Society 43(4): 103, 105, 2 figs. (1 December) [Thereus ismarus (Cramer), Bussa ematheon (Cramer); behavior; Surinam, Peru, Brazil]
2002. Replacement names in the Eumaeini (Lepidoptera: Lycaenidae: Theclinae). Proceedings of the entomological Society of Washington 104(3): 820-821 (26 June) [new names: Lamasina, Megathecla, Theclopsis aurina, Calycopis mirna; nomenclature; Neotropics]
2003. See Caldas, A. & R. K. Robbins, 2003.
2004a. See Hall, J. P. W. et al., 2004.
2004b. See Lamas, G. et al., 2004.
2004c. The genus Adelpha: Its systematics, biology and biogeography (Lepidoptera: Nymphalidae: Limenitidini). K. R. Willmott. 2003. Entomological News 114(4): 238 (25 August) [general; book nreview]
2004d. Introduction to the checklist of Eumaeini (Lycaenidae), pp. xxiv-xxx. In: Lamas, G. (Ed.), Checklist: Part 4A. Hesperioidea - Papilionoidea. In: Heppner, J. B. (Ed.), Atlas of Neotropical Lepidoptera. Volume 5A. Gainesville, Association for Tropical Lepidoptera; Scientific Publishers (12 November) [general]
2004e. Lycaenidae. Theclinae. Tribe Eumaeini, pp. 118-137. In: Lamas, G. (Ed.), Checklist: Part 4A. Hesperioidea - Papilionoidea. In: Heppner, J. B. (Ed.), Atlas of Neotropical Lepidoptera. Volume 5A. Gainesville, Association for Tropical Lepidoptera; Scientific Publishers (12 November) [general; new species: Symbiopsis perulera]
Robbins, Robert Kanner, and Annette Aiello
1982. Foodplant and oviposition records for Panamanian Lycaenidae and Riodinidae. Journal of the Lepidopterists' Society 36(2): 65‑75 (24 September) [general]
Robbins, Robert Kanner, and John Frederick Gates Clarke
1986. Small‑Nicolay collection to Smithsonian. Journal of the Lepidopterists' Society 40(2): 106 (23 October) [general; Neotropics]
Robbins, Robert Kanner, and Marcelo Duarte
2004. Descriptions of new butterfly genera. Lycaenidae: Eumaeini, pp. 275-282. In: Lamas, G. (Ed.), Checklist: Part 4A. Hesperioidea - Papilionoidea. In: Heppner, J. B. (Ed.), Atlas of Neotropical Lepidoptera. Volume 5A. Gainesville, Association for Tropical Lepidoptera; Scientific Publishers (12 November) [Phothecla, Temecla, Busbiina, Kolana, Bistonina, Lathecla, Arumecla, Camissecla, Gargina, Porthecla, Thepytus, Marachina, Apuecla, Terenthina, Semonina]
Robbins, Robert Kanner, and Pamela M. Henson
1986. Why Pieris rapae is a better name than Artogeia rapae (Pieridae). Journal of the Lepidopterists' Society 40(2): 79‑92, 14 figs. (23 October) [classification; cladistics]
Robbins, Robert Kanner, and Gary F. Hevel
1988. Glassberg, Lehman, and Pellmyr collections to the Smithsonian Institution. Journal of the Lepidopterists' Society 42(1): 31 (16 March) [general]
Robbins, Robert Kanner, and Gerardo Lamas
2002. Nomenclatural changes in the Neotropical Eumaeini (Lepidoptera, Lycaenidae, Theclinae). Revista brasileira de Zoologia 19(Suplemento 1): 197-214, 24 figs. (30 July) [general]
2004. Case 3282. Thecla azia Hewitson, 1873 (Insecta, Lepidoptera): proposed conservation of the specific name. Bulletin of zoological Nomenclature 61(2): 98-99 (30 June)
Robbins, Robert Kanner, Gerardo Lamas, Olaf Hermann Hendrik Mielke, Donald James Harvey and Mirna Martins Casagrande
1996. Taxonomic composition and ecological structure of the species-rich butterfly community at Pakitza, Parque Nacional del Manu, Perú, pp. 217-252, 1 tab. In: Wilson, D.E. & A. Sandoval (Eds.), Manu. The biodiversity of southeastern Peru. Washington, D.C., Smithsonian Institution ([December]) [general]
Robbins, Robert Kanner, and Stanley Swenson Nicolay
1999a. Taxonomy and nomenclature of Strymon istapa and S. columella (Lycaenidae: Theclinae: Eumaeini). Journal of the Lepidopterists' Society 52(3): 318-327, 16 figs. [distribution; morphology]
1999b. Taxonomy of Strymon toussainti, S. andrewi, S. amonensis, and S. rhaptos (Lycaenidae: Theclinae). Journal of the Lepidopterists' Society 52(3): 328-334, 14 figs. (11 May) [Antilles; morphology]
2002. An overview of Strymon Hübner (Lycaenidae: Theclinae: Eumaeini). Journal of the Lepidopterists' Society 55(3): 85-100, 45 figs. (26 February) [general]
Robbins, Robert Kanner, and Paul Alexander Opler
1997. Butterfly diversity and a preliminary comparison with bird and mammal diversity, pp. 69-82, 4 figs., 2 tabs. In: Reaka-Kudla, M. L., D. E. Wilson & E. O. Wilson (Eds.), Biodiversity II. Understanding and protecting our biological resources. Washington, D.C., Joseph Henry Press. [general; Neotropics]
Robbins, Robert Kanner, and Gordon Burgess Small, Jr.
1981. Wind dispersal of Panamanian hairstreak butterflies (Lepidoptera: Lycaenidae) and its evolutionary significance. Biotropica 13(4): 308‑315, 3 figs., 1 tab. (December) [general]
Robbins, Robert Kanner, and Barbara Adrienne Broady Venables
1991. Synopsis of a new Neotropical hairstreak genus, Janthecla, and description of a new species (Lycaenidae). Journal of the Lepidopterists' Society 45(1): 11-33, 30 figs., 3 tabs. (14 August) [general; J. leea; morphology; phylogeny]
Robbs, Charles Frederick
1950. Principais pragas do coqueiro na Baixada Fluminense. Boletim do Campo (Rio de Janeiro) 6(37): 1‑6 (November‑December) [Brassolis astyra Godart, B. sophorae (Linnaeus); Brazil]
1953. Principais pragas e doenças das plantas cultivadas no Distrito Federal. Agronomia (Niterói) 12(1): 57‑85 (January‑March) [general; host plants; Brazil]
1956. O coqueiro, suas pragas e os meios de combatélas. Agricultura e Pecuária (Rio de Janeiro) 27(396): 30, 32 (November) [Brassolis; life history; Brazil]
1959. Insetos nocivos ao coqueiro e meios de combatélos. Boletim do Campo (Rio de Janeiro) 15(119): 3‑6, 9‑12, 3 figs. (June) [Brassolis spp.; Brazil]
1960. Recomendações para o contrôle das doenças e pragas das plantas cultivadas no Estado da Guanabara. Agronomia (Niterói) 18(5): 67-99, 1 tab. (September-December) [general; host plants; Brazil]
1962. Recomendações para o contrôle de pragas e doenças. FIR (São Paulo) 4(9): 35-39 (May), (10): 30-34 (June), (11): 26-34 (June), (12): 24-34 (August); 5(1): 39-46 (September) [general; host plants; Brazil]
Roberto, Francisco de Assis da Silva
2001. See Duarte, J. A., Jr. et al., 2001.
Roberts, Furber S.
1958. Insects affecting banana production in Central America. Proceedings of the 10th international Congress of Entomology (Montreal) 3: 411-415 (December) [Caligo sp.]
Robins, Richard J.
1976. See Gibson, C. W. D. et al., 1976.
Robinson, Coleman Townsend [1838-1872]
1869. See Grote, A. R. & C. T. Robinson, 1869.
Robinson, Gaden Sutherland
1975. Macrolepidoptera of Fiji and Rotuma. A taxonomic & geographic study. Faringdon, E. W. Classey Ltd. vii + 433 + 6 pp., frontisp., 173 + 357 figs., 28 tabs., 15 maps [Strymon bazochii gundlachianus (Bates); host plants]
1984. Insects of the Falkland Islands: a checklist and bibliography. London, British Museum (Natural History). 38 pp. [Yramea cytheris cytheris (Drury), Danaus erippus (Cramer), Cynthia carye (Hübner)]
Robinson, Michael H.
1969. Defenses against visually hunting predators. Evolutionary Biology 3: 225‑259, 18 figs., 1 tab. [general; mimicry, crypsis]
1979. Untangling tropical biology. New Scientist 82(1153): 378‑381, figs. (3 May) [Hamadryas; Trinidad]
Robinson, Roy
1971. Lepidoptera genetics. Oxford, Pergamon Press. ix + 687 pp., 18 figs., 63 tabs. [general; Neotropics]
Robinson, Wirt [1864‑1929]
1903. A trip after Papilio homerus. Entomological News 14(1): 17‑21 (January) [general; Jamaica]
Robles, Fausto
1966. Plagas del pallar en el valle de Ica. Circular. Asociación de Agricultores de Ica. Estación experimental (Ica) 2/66: 1-8 (August) [Urbanus proteus (Linnaeus), Lycaena (Thecla) sp.; life history; Peru]
Robles, Patricio
1997. See Mittermeier, R. A. et al., 1997.
Rocha, Carlos Frederico Duarte da, and Marcelo Duarte
2001. Territorial-like defensive behavior of floral resources by Heliconius ethilla narcaea Godart over H. sara apseudes (Hübner) (Lepidoptera, Nymphalidae, Heliconiinae). Revista brasileira de Zoologia 18(suppl. 1): 323-328, 2 figs. (16 July) [Brazil]
Rocha, Carlos Frederico Duarte da, and Marcelo Duarte
2001. Territorial-like defensive behavior of floral resources by Heliconius ethilla narcaea Godart over H. sara apseudes (Hübner) (Lepidoptera, Nymphalidae, Heliconiinae). Revista brasileira de Zoologia 18(suppl. 1): 323-328, 2 figs. (16 July) [Brazil]
Rocha, Francisco Dias da [1869-1960]
1908. Insectos. Boletim do Muzeu Rocha (Fortaleza) 1(1): 61-81 (January) [general; Brazil]
1921. Excursão á cidade de Baturité, realizada por uma turma de alumnos da Escola de Agronomia do Ceará, em maio de 1921, confiada á nossa direcção. Fortaleza, Escola de Agronomia. 19 pp., portr. [general; Brazil]
*1927. Subsidios para o estudo dos insectos cujas larvas atacam algumas plantas cultivadas e silvestres, cereaes, etc., no estado do Ceará. Boletim da Sociedade cearense de Agricultura (Fortaleza) 3(11): 78-80 [general; Brazil]
1936. Subsídios para o estudo da fauna cearense. Nordeste agrícola (Ceará) 1(1): 28-32 (February) [general; host plants; Brazil]
1954. Subsídio para o estudo da fauna cearense. (Catálogo das espécies animais por mim coligidas e notadas.) Revista do Instituto do Ceará 58: 185-204 [general; host plants; Brazil]
Rocha, Germán de la
1965. Cultivo de la chirimoya y resultados experimentales alcanzados. Boletín técnico. Servicio de Investigación y Promoción agraria. Ministerio de Agricultura (Lima) 59: 1-23, 14 figs. (June) [Thecla spp.; Peru]
Rocha, Jardel de Mello
1960. See Montenegro, H. W. S. et al., 1960.
Rocha, M. A. L. de
1966. See Vernalha, M. M. et al., 1966.
Rocha Neto, M.
1995. See Varela-Freire, A. A. et al., 1995.
Rochat, Jämes
1989. Carlo Poluzzi et le monde des insectes, pp. 13-16, 2 pls. In: Carlo Poluzzi 1899-1978. Carouge, Dumaret & Golay. 63 pp., pls. [Agrias sardanapalus aberration versicolor Biedermann]
Rochester, Wayne A.
1999. See Zalucki, M. P. & W. A. Rochester, 1999.
2004. See Zalucki, M. P. & W. A. Rochester, 2004.
Rodella, Roberto Antonio
1983. See Maimoni-Rodella, R. C. S. et al., 1983.
1986. See Maimoni-Rodella, R. C. S. & R. A. Rodella, 1986.
1987. See Maimoni-Rodella, R. C. S. & R. A. Rodella, 1987.
Rodiles, Rocío
1995. See Stanley, K. A. B. et al., 1995.
Rodrigues, A.
2004. See Jiggins, C. D. et al., 2004.
Rodrigues, Daniela, and Gilson Rudinei Pires Moreira
2000. Feeding preference of Heliconius erato (Lep.: Nymphalidae) in relation to leaf age and consequences for larval performance. Journal of the Lepidopterists' Society 53(3): 108-113, 4 figs., 2 tabs. (16 June) [host plant; behavior; Brazil]
2002. Geographical variation in larval host-plant use by Heliconius erato (Lepidoptera: Nymphalidae) and consequences for adult life history. Brazilian Journal of Biology 62(2): 321-332, 6 figs. (31 May) [Brazil]
2004. Seasonal variation in larval host plants and consequences for Heliconius erato (Lepidoptera: Nymphalidae) adult body size. Austral Ecology 29(4): 437-445, 3 figs., 3 tabs. (August) [Brazil]
Rodrigues, Jaqueline J. S., Keith Spalding Brown, Jr. and Alexandre Ruszczyk
1993. Resources and conservation of Neotropical butterflies in urban forest fragments. Biological Conservation 64(1): 3-9, 4 figs., 2 tabs. [general; Brazil]
Rodrigues, Rubens Alves
1952. See Lordello, L. G. E. & R. A. Rodrigues, 1952.
Rodríguez, Carlos E., Luis E. Madriñán and Guy Hallman
1985. Complejos de insectos que atacan las estructuras reproductivas del frijol común (Phaseolus vulgaris L.): épocas de presencia, intensidad de infestación y daño. Acta agronomica (Palmira) 35(4): 68‑77, 3 figs., 2 tabs. (October-December) [also in Revista colombiana de Entomología 10(3/4): 20‑24, 4 figs., 2 tabs.; December 1985] [Strymon melinus (Hübner); Colombia]
Rodríguez, César
1997. See Ramírez, L. A. et al., 1997.
Rodríguez, Claudia Luz, Carlos Suárez and Jesús Emilio Luque
1994. El género Morpho en Colombia: I. Especies presentes en Colombia, distribución geográfica y altitudinal. Agronomía colombiana 11(1): 13-19, 5 figs., 1 tab. (January-June) [general]
1996a. El Género Morpho en Colombia: II. Clave taxonómica para las especies presentes en Colombia. Agronomía colombiana 13(1): 1-22, 20 figs. [general]
1996b. El género Morpho en Colombia - III: Biología y ecología de las especies residentes en el Departamento de Boyacá, localidad de Otanche. Agronomía colombiana 13(2): 107-116, 5 figs., 2 tabs. (after November) [Morpho cypris Westwood, M. peleides Kollar, M. amathonte Deyrolle]
Rodríguez, Dely
2000. See Rodríguez-León, R. et al., 2000.
2004. See Hidalgo-Gato, M. M. et al., 2004.
Rodríguez, Dora Alba
1985. Hongos entomopatógenos registrados en Colombia. Revista colombiana de Entomología 10(1/2): 57‑64, 2 figs., 1 tab. (July) [Panoquina sp.]
Rodríguez, Eloy, and Donald A. Levin
1976. Biochemical parallelisms of repellents and attractants in higher plants and arthropods, pp. 214‑270, 3 figs., 15 tabs. In: Wallace, J. W. & R. L. Mansell (Eds.), Biochemical interactions between plants and insects. New York, Plenum Press. [general; behavior]
Rodríguez, Félix
1975. World of Wildlife: Animals of South America. London, Orbis Publishing Limited. [viii] + 304 pp., figs. [Spanish Ed., 1970] [Phoebis, Morpho hecuba (Linnaeus)]
Rodríguez, Gabriel
2003. See Bollino, M. & G. Rodríguez, 2003.
2004a. See Vitale, F. & G. Rodríguez, 2004.
2004b. See Le Crom, J. F. et al., 2004.
Rodríguez, Giovanna
2000. See Piñas, F. & G. Rodríguez, 2000.
Rodríguez, Ignacio
1963. El girasol, nuevo huésped de orugas de Actinote pellenea Hübner. Idia (Buenos Aires) 189: 47‑48, 2 figs. (September) [Argentina]
Rodríguez, Joel
1969. See Pacheco, F. & J. Rodríguez, 1969.
Rodríguez, Jon Paul, and Franklin Rojas
[1996]. Libro Rojo de la Fauna Venezolana. Caracas, PROVITA, Fundación Polar. 444 pp., figs., maps ("1995", [1996]) [general; conservation]
Rodríguez, José
1991. Mariposas monarca. Geomundo 15(2): 114-121, figs. (February) [Danaus plexippus (Linnaeus); life history; migration; Mexico]
Rodríguez, José Basilio
1983. La mariposa monarca (Danaus plexippus L.). Natura (Caracas) 74: 16‑17, figs. (July) [life history; host plants; Venezuela]
1992. La mariposa negrita (Abananote hylonome Doubleday). Natura (Caracas) 95: 13-16, 6 figs. [egg, larva, pupa; host plant; Venezuela]
1993. Las mariposas. ¿Animales únicamente para admirar en la Naturaleza? Natura (Caracas) 97: 8-11, 9 figs. [general; Venezuela]
Rodríguez, Juan José [ -1916]
1893. Apuntamientos sobre los estudios de Biología en Guatemala é importancia de estos estudios. Guatemala, Encuadernación y Tipografía Nacional. 28 pp. (after 3 November) [general]
1894. Memoria sobre la fauna de Guatemala. Guatemala, Tipografía Sánchez y de Guise. 11 pp. [Vanessa antiopa (Linnaeus), Pyrameis cardui (Linnaeus)]
Rodríguez, Leonardo
1997. See Fernández, D. M. & L. Rodríguez, 1997.
1998. See Fernández, D. M. & L. Rodríguez, 1998.
Rodríguez, M. E.
1974. See Cabello, G. et al., 1974.
Rodríguez, Pedro J.
1976. See Bastida, R. et al., 1976.
Rodríguez, Ricardo
1970. See Garayar, H. & R. Rodríguez, 1970.
1993. See Guerra, M. et al., 1993.
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