Water Supply & Management 

 - Pergamon Press  UK  1981 
 - 133p.  Cht. and Table 
 - Volume  15-1 .
<br/><br/><label>ISBN: </label>008-026-78-07 
<br/><br/><label>Nat. Bib. No.: </label>5407 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>626/628.17  / WAT