TY  - BOOK
ED  - Southern Regional Committee for Geology 
ED  - Commission for technical Cooperation in Africa.
TI  - Fourth meeting = : Quatrieme reunion, Pretoria, 1961. / 
PY  - 1961///
CY  - London : 
PB  - CCTA., 
KW  - Geology
KW  - Africa, Sub-Saharan
KW  - Congresses
N1  -  In English and Frnch;  Includes bibliographical references
ER  -