Pieters, H.A.J. <br/><br/>
Wet purification of coal gas and similar gases by the statsmijnen otto process.   
by H A J Pieters, D Van Krevelen 
 - New York  Elsevier Pub.  1946 
 - 55p 
<br/><br/><label>Dewey Class. No.: </label>662.62  / N46