000 00301nam a2200097 4500
100 _aSociety for Economic Geologists
245 _aJournal of Petrology, vol.3 nos.1-3
_cSociety for Economic Geologists
260 _aOxford University Press
_c1962
260 _aOxford University Press
_c1962
942 _cCR
999 _c335241
_d335241