TY  - BOOK
AU  - Erlank,A.J.
TI  - Petrogenesis of the Volcanic Rocks of the Karoo Province: Special publication N° 13 The Geological Society of South Africa
T2  - Special Publication Series of The Geological Society of South Africa
SN  - 0620066504
PY  - 1984///
CY  - Johannesburg
PB  - The Geological Society of South Africa
ER  -