Butzer, Karl W. <br/><br/>
Early hydraulic civilization in Egypt : a study in cultural ecology 

 - Chicago  The Univ Press  1976 
 - xv, 134p 
 - Prehistoric Arch. And Ecology .
<br/><br/><label>Subjects--Topical Terms: </label><br/>V671:710G:5
<br/><br/><label>Dewey Class. No.: </label>V671:710G:5  / K6