TY  - BOOK
AU  - Bradley,W.F.
ED  - National Conference on Clays and Clays Minerals
TI  - Clays and clays minerals: proceedings of the thirteenth national conference on clay and clay minerals 
U1  - 553.6106173 
PY  - 1966///
CY  - Oxford
PB  - Pergamon Press
KW  - Clay
KW  - Congresses
KW  - Clay minerals
N1  - Includes index
ER  -