TY  - BOOK
AU  - Sanchez,Pedro A.
TI  - Properties and Management of Soils in the Tropics/ (Acc: 615)
SN  - 0471752002
U1  - 631.4 SAN 
PY  - 1976///
CY  - New York
PB  - Wiley
KW  - Soils
KW  - Plant-soil relationships
KW  - Soil science
KW  - Agriculture
ER  -