Keys to soil taxonomy.
by Soil Survey Staff.
9th ed.
[Washington, D.C.] : United States Department of Agriculture : Natural Resources Conservation Service, 2003.
332 págs. : ilustraciones ; 28 cm.
Biblioteca de Agronomía "Dr. Ovidio Núñez" Departamento de Agronomía - UNS · Catálogo |
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9th ed.
[Washington, D.C.] : United States Department of Agriculture : Natural Resources Conservation Service, 2003.
332 págs. : ilustraciones ; 28 cm.