000 00347nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a551.48
100 _aF.A.O.
245 _aArid zone hydrology for agricultural development.
260 _aRome
_bFAO
_c1981
300 _a96
650 _aHydrology
653 _aHydrology
942 _2ddc
_cBK
999 _c12071
_d12071