TY  - BOOK
AU  - Sanchez, Pedro A.
TI  - Properties and Management of Soils in the Tropics
SN  - 0471752002
U1  - 631.4913 
PY  - 1976///
CY  - New York
PB  - John Wiley and Sons
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Soils
KW  - Tropics
ER  -