1.
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La protección intelectual de los conocimientos tradicionales Mora-Bowen Pérez, Agustín
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2.
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Cora ethnozoology, l knowledge; a bio-ecological and cross cultural approach Malkin, Borys
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3.
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Sumu ethnozoology: herpetological knowledge Malkin, Borys
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4.
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Additions to the knowledge of the herpetofauna of Oaxaca, Mexico Hobart M Smith
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5.
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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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6.
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¿Disponen los estudiantes de secundaria de una comprensión adecuada de los conceptos de trabajo y calor y de su relación con la energía?, Do secondary education students have a suitable understanding of the concepts of work and heat as well as their connection with energy? Domenech Blanco, Josep Lluís - Martínez Torregrosa, Joaquín
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7.
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Ciberinfraestructura para Literatura Especializada en Ciencias Biomédicas Calderón Rojas, R
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8.
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Some additions to the knowledge of the anatomy, principally of the vascular system, of Hatteria, Crocodilus and certain Lacertilia Beddard, Frank E
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9.
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Contribution to the knowledge of the nematodes that parasitize the reptiles of Mexico Caballero, R G
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10.
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A contribution to the knowledge of variation in Opheodrys vernalis (Harlan), with the description of a new subspecies Grobman, Arnold B
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