TY  - BOOK
AU  - Doorenbos J
AU  -  Pruitt W O
TI  - Guidelins for predicting crop water requirements
T2  - FAO irrigation and drainage paper; 24
U1  - J:52:(X:744):(B28), L7 
PY  - 1977///
CY  - Rome
PB  - FAO         
KW  -  Plant development
KW  - Agriculture
ER  -