TY  - BOOK
AU  - 
TI  - Gondwana stratigraphy: IUGS Symposium, Buenos Aires, 1-15 October 1967
PY  - 1969///
CY  - Paris
PB  - Unesco
KW  - Gondwana (Geology)
KW  - Congresses
N1  - p. xi-xvi
ER  -