000			00294nam a2200109 4500
999			_c336560 _d336560
020			_a8185046921
082			_a551.49 _bDAV.I
100			_aDavis Stanley, N et. al.
245			_aIntroduction to groundwater tracers _cDavis Stanley, N et. al.
260			_aJodhpur _c1990 _bScientific
942			_cBK