TY  - BOOK
AU  - RATTAN, Lal
TI  - Methods and guidelines for assessing sustainable use of and water resources in the tropics
U1  - 333.76 R20M 
PY  - 1994///
PB  - Washington , U. S. D. A
KW  - SOILS - TROPICS
KW  - WATER RESOURCES DEVELOPMENT - TROPICS
ER  -