Mason, W.P. <br/><br/>
Examination of water chemical and bacteriological 

 - Sixth 
 - John wiley & sons  N.Y.  1931 
 - 224p.  fig. 
<br/><br/><label>Nat. Bib. No.: </label>1932 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>628.16  / MAS