TY  - BOOK
AU  - Marshall, Charles Edmund.
TI  - The physical chemistry and mineralogy of soils
U1  - 631.411 
PY  - 1964///
CY  - New York
PB  - Wiley
KW  - Suelos
KW  - Análisis
KW  - Elementos minerales
N1  - Contenido: v.1 Soil materials.- v.2 Soils in place
ER  -