000			00343nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a551.49
100			_aBouwer,Herman.
245			_aGround water hydrology.
260			_aNY _bMcGraw-Hill Book Co. _c1978
300			_a480
650			_aHydrology
653			_aHydrology
942			_2ddc _cBK
999			_c8828 _d8828