TY  - BOOK
AU  - Farrand, W R
AU  - Paquet, Helene
TI  - Geology of clays
U1  - 553.61 
PY  - 1970///
CY  - New YorK
PB  - Springer-Verlag
KW  - Economic geology
KW  - Ores
KW  - Minerals
KW  - clays
KW  - clay
KW  - ceramic materials
ER  -