Pollution engineering 

 - Monthly 
<br/><br/> Some issues are published with title: Pollution engineering yellow pages 
<br/><br/> Applied science & technological index  0003-6986 
<br/><br/><label>ISSN: </label>0032-3640 
 = Pollution engineering 
 = Pollut. eng. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Contaminación--Publicaciones periódicas.<br/>Ingeniería sanitaria--Publicaciones periódicas
<br/><br/><label>LC Class. No.: </label>TD172  / P64