Manual for the compilation of balances of water resources and needs. 

 - New  York United Naitons USA      1974 
 - "viii, 80p. Appendix p. 65-80"  cm. 
<br/><br/><label>Standard No.: </label>83872 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engneering
<br/><br/><label>Dewey Class. No.: </label>"X9(D2):27, L4/UN"