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Amphibians and reptiles of the rainforests of southern El Petén, Guatemala

  • Duellman W
University of Kansas publications, Museum of Natural History (1963) 15 205-249
DOI: 10.5962/bhl.part.7289
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Abstract

ENGLISH: Relations between the integer solutions of the equation x ^ 2 = y ^ 2 + z ^ 2 lead to transformations that make it possible to put together a "family tree" listing all primitive Pythagorean triangles. JFM 60.0121.03 Berggren, B.

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APA

Duellman, W. E. (1963). Amphibians and reptiles of the rainforests of southern El Petén, Guatemala. University of Kansas Publications, Museum of Natural History, 15, 205–249. https://doi.org/10.5962/bhl.part.7289

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