Algunos estudios de suelos derivados de cenizas volcanicas del transecto Jalapa-Teocelo, Veracruz
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| Format: | Tesis de licenciatura |
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MX
1976
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000060820 http://132.248.9.195/ptd2014/anteriores/microformas/0060820/Index.html |