Environmental regulattion and technology : autothermal thermophilic aerobic digestion of municipal wastewater sludge 

 - Washington :   Environmental Protection Agency (EPA),  1990 
 - v. 65 p 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Aguas residuales
<br/><br/><label>Dewey Class. No.: </label>628.1682 E61