Engineering bulletin:   Proceedings of the seventh industrial waste conference 
/ Purdue University 
 - Purdue:   Lafayette Ind.,   1952 
 - Extension series   79 .
<br/><br/> Vol. 40; vii, 581p.<br/> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technology
<br/><br/><label>Subjects--Index Terms: </label>Waste conference 
<br/><br/><label>Universal Decimal Class. No.: </label>66.019  / J2