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1.
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International Union for conservation of Nature Library International Union for Conservation of Nature - Ramsar Convention on Wetlands - United Nations Environment Programme World Conservation Monitoring Centre
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2.
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Limnología de la Presa de Apizaquito, Tlaxcala Pérez-Rodríguez, R.
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3.
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FOSSIL LEGUME FRUITS FROM TERTIARY STRATA OF PUEBLA, MEXICO MAGALLONPUEBLA, S - CEVALLOSFERRIZ, SRS
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4.
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LATEST OCCURRENCE OF THE EXTINCT GENUS CEDRELOSPERMUM (ULMACEAE) IN NORTH-AMERICA - CEDRELOSPERMUM-MANCHESTERI FROM MEXICO MAGALLONPUEBLA, S - CEVALLOSFERRIZ, SRS
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5.
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Cora ethnozoology, l knowledge; a bio-ecological and cross cultural approach Malkin, Borys
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6.
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Sumu ethnozoology: herpetological knowledge Malkin, Borys
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7.
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Additions to the knowledge of the herpetofauna of Oaxaca, Mexico Hobart M Smith
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8.
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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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9.
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A contribtion to our knowledge of the herpetofauna of the Mexican state of Aguascalientes Anderson, James Donald - William Z Lidicker, Jr
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10.
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Contributions to the knowledge of the systematic arrangement and anatomy of certain genera and species of Squamata Beddard, Frank E
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