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INVESTIGACIONES QUIMICAS Y OPTICAS DE OBSIDIANAS GEOLOGICAS Y ARQUEOLOGICAS DE MEXICO, INVESTIGACIONES QUIMICAS Y OPTICAS DE OBSIDIANAS GEOLOGICAS Y ARQUEOLOGICAS DE MEXICO Mosheim, E.; U.A.N.L., Facultad de Ciencias de la Tierra, Apdo. Postal 104, 67700 Linares, N. L., México - Althaus, E.; Mineralogisches Institut der Universität, Kaiserstr. 12, D-7500 Karlsruhe, R. F. A.
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A contribution to the knowledge of the variations of the tree frog Hyla regilla Test, Frederick Cleveland
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Rabies 2007: perspective from Asia Henry Wilde - Thiravat Hemachudha - Pakamatz Khawplod - Veera Tepsumethanon - Supaporn Wacharapluesadee - Boonlert Lumlertdacha
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Revisión integral de los factores epidemiológicos que inciden en la relación Boophilus microplus – Bovino – Babesia spp, Review on epidemiological factors involved in the relationship among Boophilus Meléndez, Roy D.
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How motivation, time devoted to speaking practice, and teaching speaking methodology interfere in the oral performance in intermediate English students at the Foreign Language Department of the University of El Salvador in the Term I-2011. Aguilar Mejía, Sandra Beatriz - Osorio Driotez, Elena Roxana - León Rivera, Ronald Omar
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How non-participation influences in the oral proficiency development of the students from intermediate intensive english I courses in the Foreign Language Department, at the University of El Salvador, during the semester II -2011. Hernández Hernández , Ileana Patricia - Marcía Herrera , Rosa Arminda - Orantes Pérez , Jocelyn Marcela
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Cora ethnozoology, l knowledge; a bio-ecological and cross cultural approach Malkin, Borys
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Sumu ethnozoology: herpetological knowledge Malkin, Borys
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Additions to the knowledge of the herpetofauna of Oaxaca, Mexico Hobart M Smith
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An analysis of the knowledge of the turtle fauna of Mexico Rozella B Smith - Hobart M Smith
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