James, L douglas Lee, Robert R <br/><br/>
Economics of water resources planning 

 - Bombay  Tata Mcgraw - Hill publishing company, ltd  1971 
 - xviii, 615p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Discounting factors<br/>Economics<br/>Equivalence of time<br/>Price theory<br/>Water resources