TY  - BOOK
AU  - Van Olphen,H.
TI  - An introduction to clay colloid chemistry: for clay technologist, geologists, and soil scientists 
SN  - 047101463X
PY  - 1977///
CY  - New York
PB  - John Wiley & Sons
KW  - Clay
KW  - Colloids
N1  - Includes indexes; Bibliography: p. 294-301
ER  -