Fourth meeting =    Quatrieme reunion, Pretoria, 1961. /  
Southern Regional Committee for Geology. 
 - London :    CCTA.,    1961. 
 - 146 p. :    ill., maps (part folded) ;    24 cm. 
 - CCTA publication ;    no. 80 .
<br/><br/>  In English and Frnch. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Geology -- Africa, Sub-Saharan -- Congresses.