Irrigating efficiently , bibliography,  January 1988 - February 1994 

 -  DIANE Publishing 
 - iv,62p.  28cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water<br/>Economics<br/>Other natural resources
<br/><br/><label>Dewey Class. No.: </label>333.91016  / IRR