Khattab, M.M. <br/><br/>
Seismic, gravity and aeromagnetic interpretation of Umbarka and adjacent areas, western desert, Egypt. 

 - Cairo-EG :   The Geological Society of Egypt,   1974. 
 - páginas 127-135 :   ilustraciones blanco y negro 
 - Irregular 
 - Vol. 18, no. 2 (1974) 
 - Egyptian Journal of Geology ;   no. 2 .
 - The National Information & Documentation Centre, NIDOC. .