000			00268nam a2200097 4500
999			_c334493 _d334493
082			_a552.1 _bWAH.I
100			_aWahlstrom,Ernest E.
245			_aIntroduction to Therotical Igneous petrology, _cWahlstrom,Ernest E.
260			_aNew York _c1961 _bJohn Wiley
942			_cBK