1.
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Plant propagation and the ecological restoration of Mexican tropical deciduous forests Bonfil-Sanders, María del Consuelo - Trejo, I
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2.
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A new dicrocoeliid (Digenea: Dicrocoeliinae) parasite of rodents from Tlaxcala, Mexico. Lamothe-Argumedo, R. - Falcon-Ordaz, J. - Garcia-Prieto, L. - Fernandez-Fernandez, J.
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3.
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Evolution of seasonal ecological niches in the Passerina buntings (Aves : Cardinalidae) MartínezMeyer, E - Peterson, AT - Navarro Sigüenza, Adolfo Gerardo
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4.
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Second addition to the knowledge of the Batrachia and Reptilia of Costa Pica Cope, Edward Drinker
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5.
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Third addition to a knowledge of the Batrachia and Reptilia of Costa Rica Cope, Edward Drinker
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6.
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Contributions to our knowledge of the duration of life in vertebrate animals Flower, Stanley S
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7.
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Recent progress in biotechnology of Mexican medicinal plants Villarreal, ML - Nicasio, P - Rojas, G - Alvarez, L - Quintero, R
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8.
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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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9.
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The concise knowledge library: natural history Lydekker, Richard
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10.
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Contributions to our knowledge of the duration of life in vertebrate animals Flarer, Stanley Smith
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