000 00684nam a2200217Ia 4500
001 CATREF076720
008 110518s9999 xx 000 0 und d
041 _aeng
082 _a553.61
100 _aConference on clays and clay minerals(6th:1957:Aug.19-23:California)
245 _aclays and clay minerals : Proceedings of the sixth national conference on clays and clay minerals
260 _aLondon
_bPergamon Press
_c1959
300 _aix,411p.
_c24 cm.
440 _aInternational series of monographs on earth sciences ;v.2
546 _bRoman
650 _aClay minerals
700 _aSwineford, Ada [editor]
906 _a011773
906 _atext
942 _cBK
999 _c193255
_d193255