TY  - GEN
AU  - Velde, B.
TI  - Introduction to clay minerals : chemistry, origins, uses and environmental significance
SN  - 0412370301
PY  - 1992///
CY  - London
PB  - Chapman & Hall
KW  - CLAY
KW  - CLAY MINERALS
KW  - CLAY DEPOSITS
KW  - CLAY PRODUCTS
KW  - CALY-Chemistry
KW  - CALY-Physical Properties
ER  -