000			00253nam a2200097 4500
999			_c335818 _d335818
082			_a552.5 _bGRE.P
100			_aGreensmith,J.T.
245			_aPetrology of sedimentary rocks,6th ed. _cGreensmith,J.T.
260			_aLondon _c1978 _bGeorge&Unwin
942			_cBK