000			00247nam a2200109 4500
999			_c336132 _d336132
020			_a0852267649
082			_a551.49 _bREG.G
100			_aRaghunath,H.M.
245			_aGroundwater _cRaghunath,H.M.
260			_aNew Delhi _c1982 _bWiley
942			_cBK