TY  - BOOK
AU  - Conference on clays and clay minerals(15th:1966:Oct.10-13:Penusylvania)
AU  - Bailey, S W [editor]
TI  - Clays and clay minerals
U1  - 553.61 
PY  - 1967///
CY  - Oxford
PB  - Pergamon Press
KW  - Clay minerals
ER  -