Phelps, Earle B. <br/><br/>
Public health engineering: a textbook of the principles of environmental sanitation  Earle B. Phelps. 

 - New York  John Wiley  1950 
 - v2. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public health Sanitary engineering Environmental health.
<br/><br/><label>Dewey Class. No.: </label>628.6  / P48P