Removal of coxsackie & bacterial viruses in water by flocculation. 

 - [Washington, D.C.,  19--?] 
 - v. 
<br/><br/> Pts. 1-2.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Pollution.<br/>Water--Purification--Flocculation.
<br/><br/><label>Gov. Doc. Class. No.: </label>HE 20.2:F 65/