000			00289nam a2200097 4500
999			_c336283 _d336283
082			_a552.1 _bEHL.I
100			_aEhlers,Ernest G. and Blatt,Harvey
245			_aPetrology:Igneous,sedimentary,and metamorphic _cEhlers,Ernest G. and Blatt,Harvey
260			_aNew Delhi _c1987 _bCBS
942			_cBK