TY  - BOOK
ED  - International Union of Geological Sciences
TI  - Reviews prepared for the first symposium on Gondwana stratigraphy
U1  - 551.7(80) 
PY  - 1967///
CY  - Haarlem
PB  - IUGS
KW  - Geological science
KW  - Stratigraphy
ER  -