Phelps, Earle Bernard  1876, <br/><br/>
Stream sanitation / 
By earle b. phelps. with a chapter on stream microbiology, by James b. lackey. 
 - 276 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ríos<br/>Bioquímica<br/>Agua--Purificación<br/>Biología de agua dulce
<br/><br/><label>LC Class. No.: </label>TD433  / P47