Proceedings of the 31st industrial waste conference 
/ May 4, 5 and 6, 1976 Purdue University, West Lafayette, Indiana 
 - Michigan:    Ann Arbore Science,   1977 
 - xi, 1164p. 
<br/><br/><label>ISBN: </label>0250401649 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Factory and trade waste 
<br/><br/><label>Universal Decimal Class. No.: </label>628.54(082.2)  / L7