Porter, John J. <br/><br/>
A study of the photodegradation of commercial dyes 1973 

 - Washington :  United States Government Printing Office,  1973 
 - ix, 94 p. :  ill. ;  29 cm. 
 - Environmental protection technology series .
<br/><br/> EPA-R2-73-058 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial dyes<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>667.20973