000 00238nam a2200097 4500
999 _c336511
_d336511
082 _a552.1
_bWIL.I
100 _aWilson,Marjorie
245 _aIgneous petrogenesis
_cWilson,Marjorie
260 _aLondon
_c1989
_bHarpar & Collins
942 _cBK