Comparacion sistematica entre Microtus guatemalensis M. quasiater y M. umbrosus
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| Format: | Tesis de doctorado |
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MX
1996
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000237693 http://132.248.9.195/ppt1997/0237693/Index.html |