WATER FOR HUMAN NEEDS  SECOND WORLD CONGRESS ON WATER RESOURCES 

 - Varma.C.V.J.  New Delhi  1975 
 - 215p.  Cht. and Table 
<br/><br/><label>Nat. Bib. No.: </label>4391 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>626/628  / WAT