TY  - BOOK
ED  - Symposium on soils and tropical weathering (1969 : Bandung)
TI  - Proceedings
T2  - Unesco's Natural Resources Research. 11
U1  - "J:10gU28p192,N69, L1" 
PY  - 1971///
CY  - Paris
PB  - Unesco       
KW  - Agriculture
ER  -