000 00311nam a2200097 4500
999 _c334498
_d334498
082 _a549
_bING.C
100 _aIngerson, Earl (Ed.)
245 _aClays and clay minerals:Proceedings of the 8th national conference on clays and clay minerals
_cIngerson, Earl (Ed.)
260 _aOxford
_c1960
_bPergamon
942 _cBK