Geoscientific research in Northeast Africa :    proceedings of the c onference on geoscientific research in Northeast Africa, Berlin, German y, 17-19 June, 1993 /  
edited by Ulf Thorweihe & Heinz Schandelimeier . 
 - Rotterdam :    A. A. Balkema,    1993. 
 - v. :    ill. ;    25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Earth sciences -- Africa -- Periodicals.<br/> Earth sciences -- Middle East -- Periodicals.<br/> Geology -- Africa -- Periodicals.<br/> Geology -- Middle East -- Periodicals.
<br/><br/><label>Dewey Class. No.: </label>AF P 556.05 GEO