TY  - BOOK
AU  - Velde,B.
TI  - Clays and clay minerals in natural and synthetic systems
SN  - 044441505X
PY  - 1977///
CY  - Amsterdam
PB  - Elsevier North-Holland
KW  - Clay minerals
KW  - Clay
N1  - Includes index; Bibliography : p. 187-211
ER  -