000
002820000a22001090004500
245
_a
Arid zone hydrology for agricultural development
110
_a
United Nations Food & Agriculture Organization
260
_a
Rome
_b
FAO
_c
1981
080
_a
626.8
_b
U6
041
_a
EN
942
_c
BK
999
_c
62893
_d
62893