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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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A graphic panorama of the freshwater algae from Mexico, Un Panorama gráfico de las algas de agua dulce de México Novelo, E. - Tavera, R.
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Cysticercosis: present state of knowledge and perspectives. Flisser, A. - Willms, K. - Laclett, J.P. - Larralde, C. - Ridaura, C. - Beltran, F.
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The concise knowledge library: natural history Lydekker, Richard
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Antigens of taeniid cestodes. Williams, J.F. - Sandeman, R.M.
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Seroepidemiology of human cysticercosis in Mexico. Woodhouse, E. - Flisser, A. - Larralde, C.
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Contributions to our knowledge of the duration of life in vertebrate animals Flarer, Stanley Smith
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New species of the Stenus hostilis group, mainly from Mexico (Coleoptera: Staphylinidae) (265th contribution to the knowledge of Steninae) Puthz,V.
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