TY  - BOOK
AU  - Keulen H Van
TI  - Simulation of water use and herbage growth in arid regions
T2  - Simulation monographs: a series on computer simulation in agriculture and its supporting sciences
U1  - J9D0bD65,8(B), L5 
PY  - 1975///
CY  - Wageningen
PB  - Centre for Agricultural Publishers      
KW  - Agriculture
ER  -