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
KW  - Soils
N1  - "A Wiley-Interscience publication."
ER  -