TY  - BOOK
AU  - Smith, Martin., devl.
TI  - Food and Agriculture Organization of the United Nations. ( Rome) : Cropwat : a computer program for irrigation planning and management
T2  - ( FAO irrigation and drainage paper; 46)
SN  - 9789251031063
PY  - 1992///
CY  - Rome
PB  - FAO
ER  -