TY  - BOOK
ED  - International Gondwana Symposium
ED  - Herath, M.M.J.W.
TI  - Fourth International Gondwana Symposium, Calcutta, January 17-22, 1977
SN  - X920046087
PY  - 1977///
CY  - London
PB  - Commonwealth Geological Liaison Office
KW  - Geology
ER  -