TY  - BOOK
ED  - International Union of Geological Sciences, Gondwana symposium (1st : 1967 : Buenos Aires)
ED  - 
TI  - Gondwana stratigraphy: proceedings
U1  - 551.76 
PY  - 1969///
CY  - Paris
PB  - UNESCO
KW  - Gondwana stratigraphy
KW  - Mesozoic era
ER  -