Alum sludge in the aquatic environment / 
Prepared by dennis b. George... [y otros.] ; prepared for awwa research foundation 
 - 224 páginas 
<br/><br/><label>ISBN: </label>0898675316 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agua--Contaminación<br/>Ecología acuática
<br/><br/><label>LC Class. No.: </label>TD427.A58  / A58