TY  - BOOK
AU  - Sanchez, Pedero P
TI  - Properties and Management of Soils in the Tropics
U1  - 631.4 
PY  - 1976///
CY  - New York
PB  - John Wiley and Sons
KW  - General stack
KW  - Technology
KW  - Techniques, equipment & materialsBotany
ER  -