000 00301nam a2200097 4500
100 _aSociety for Economic Geologists
245 _aJournal of Petrology, vol.4 nos.1-3
_cSociety for Economic Geologists
260 _aOxford University Press
_c1963
260 _aOxford University Press
_c1963
942 _cCR
999 _c335242
_d335242