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  1. Amphibians of La Escalera Region, Southeastern Venezuela : taxonomy, ecology, and biogeography / by William E. Duellman.
    By: Duellman, William Edward,
    Publication info: Lawrence, Kansas :Natural History Museum, The University of Kansas,c1997.
    Contributed by: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Amphibians  Classification  Environmental aspects  Geographical distribution  La Escalera Region  Venezuela  
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