01273nam0-22003851i-450-99000033764040332120160628123741.0000033764FED01000033764(Aleph)000033764FED0100003376420091102d1959----km-y0itay50------baengGBy-------001yyClays and clay mineralsproceedings of the 6. national conference on clays and clay minerals, Berkeley, California, August 19-23, 1957Ada Swineford editorassociate editors Thomas F. Bates ... [et al.]LondonPergamon Press1959IX, 411 p.ill.23 cmInternational series of monographs on earth sciences2ArgilleCongressi1957668553.61Swineford,AdaNational conference on clays and clay minerals<6. ;1957 ;Berkeley>6666ITUNINARICAUNIMARCBK99000033764040332104 186-304/6CI 4938DINCH13 G 11 0324189FINBCMA 8/144059DINGEDINCHFINBCDINGEClays and clay minerals124542UNINA