Ocnofosiles de invertebrados de la formacion tlayua en Tepexi de Rodriguez, Puebla, Mexico
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| Format: | Tesis de maestría |
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MX
2004
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000331242 http://132.248.9.195/ppt2004/0331242/Index.html |