Gainey, P.L. Lord, T.H. <br/><br/>
Microbiology of water and sewage 

 -  1961 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Water-Purification<br/>Sewage<br/>Microbiology
<br/><br/><label>Dewey Class. No.: </label>628.16  / G12M