Bolton, Ronald Lomax <br/><br/>
Sewage treatment :  basic principles and trends / 
by R.L. Bolton, L. Klein. 
 - 2nd ed. 
 - London :  Butterworths,  1971 
 - (7),256p :  illus ;  23cm 
<br/><br/> Previous ed. 1961 
<br/><br/><label>ISBN: </label>0408347805 
<br/><br/><label>Nat. Bib. No.: </label>B7127148 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage disposal
<br/><br/><label>Dewey Class. No.: </label>628.3