Arid land irrigation in developing countries  evironmental problems and effects; based on the International symposium held on 16-21 Feb. 1976 Alecandria,Egypt 

 -  1977 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Irrigation engg
<br/><br/><label>Dewey Class. No.: </label>627.52  / I5A