Gondwana stratigraphy IUGS Symposium (1967 : Buenos Aires) <br/><br/>
Gondwana stratigraphy :  IUGS Symposium, Buenos Aires, 1-15 October 1967 

 - Paris :  Unesco,  1969 
 - xvi, 1173 p. :  ill. ;  27 cm. 
<br/><br/>p. xi-xvi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gondwana (Geology)--Congresses