000 00401nam a2200145Ia 4500
008 170101s1972 xx 000 0 und d
082 _a333.910 018 4 C81W
100 _aCUMMINGS, Ronald G
245 _aWater resource management in Northern Maxico
260 _bWashington
_c1972
300 _a68p
650 _aWATER RESOURCES MANAGEMENT
653 _aWATER RESOURCES MANAGEMENT
942 _2ddc
_cB
999 _c71503
_d71503