000			00421nam a2200145Ia 4500
008			140317s9999 xx 000 0 und d
082			_a551.49
100			_aInternational Atomic Energy Agency,Vienna.
245			_aIsotope techniques in groundwater hydrology, 1974. Proc. II 15 March, 1974. Vol I
260			_aVienna _bI.A.E.A. _c1974
300			_a504
650			_aHydrology
653			_aHydrology
942			_2ddc _cBK
999			_c7401 _d7401