TY  - BOOK
AU  - B. No Velde
AU  - Velde,B.
TI  - ORIGIN AND MINERALOGY OF CLAYS
SN  - 3540580123
U1  - 552.5 
PY  - 1995///
CY  - 
PB  - Springer-Verlag, New York
KW  - Clay Minerals
KW  - Clay
KW  - Clay Minerals -- Environmental Aspects
N1  - Includes Bibliographical References
ER  -