Special liaison report/  Seminar of Heads of Geological Surveys of Commonwealth Countries in the African Region, Harare, Zimbabwe, July 1981. 

 - London:  Commonwealth Geological Liaison Office,  1981. 
 - 12 p ;  30 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Africa--Congresses.