TY  - BOOK
AU  - Truswell,J.F.
TI  - An introduction to the Historical Geology of South Africa
T2  - Proceedings of the Ninth National Conference on Clays and Clay Minerals, Lafayette, Indiana, October 5-8, 1960
PY  - 1970///
CY  - Cape Town
PB  - Purnell
KW  - Conferences - Meetings
ER  -