Hammad, Hammad Y. <br/><br/>
Ground water potentialities in the african sahara and the nile valley 
Hammad Y. Hammad 
 - Beirut  Beirut Arab University  1970 
 - vi, 112p.:  figs., tables ;  24cm 
<br/><br/> Appendices at the end 
<br/><br/><label>LCCN: </label>1579 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water supply--Africa
<br/><br/><label>Dewey Class. No.: </label>363.61/H224g