TY  - BOOK
AU  - Pereira H C
TI  - Land use and watrer resoruces :  An temerate and tr
SN  - 0521086779
U1  - "X9(D2).1.N6, L3" 
PY  - 1973///
CY  - Cambridge
PB  - University Press      
KW  - Engineering
ER  -