Chemical engineering group 
/ Proceedings Society of Chemical Industry 1964 
 - London:   Chemical Engineering Group,   1964 
<br/><br/> Vol. XLIII 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proceedings
<br/><br/><label>Universal Decimal Class. No.: </label>66.047(082.2)  / K6