Clark, Colin,  1905- <br/><br/>
The economics of irrigation / 
Colin Clark 
 - 2nd ed., completely rev. and enl. 
 - New York :  Pergamon Press,  1970 
 - ix, 155 p. :  ill. ;  22 cm. 
<br/><br/>Bibliography : p. 134-140 
<br/><br/><label>ISBN: </label>0080069843 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation--Economic aspects