Roger W. Hexem <br/><br/>
Water production functions for irrigated agriculture 

 - Ames  Iowa State University Press  1978 
 - 215p 
<br/><br/>Roger W. Hexem & Earl O. Heady: Water production functions for irrigated agriculture.  Ames.  Iowa State University Press, 1978. 0-8138-1785-4--(631.7HEX)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-8138-1785-4 
<br/><br/><label>Dewey Class. No.: </label>631.7  / HEX