Efficiency of line and área survey units for sampling soils
Autor principal: | Romero Guzmán, Mario 1927-1969 (Autor, Autor/a) |
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Formato: | Libro |
Lenguaje: | English |
Publicado: |
San José, C.R. :
[editor no identificado],
[1900? ].
|
Materias: |
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