Schlick, D.P. <br/><br/>
An evaluation of the respirable dust sampling program in United States underground coal mines (BM-TPR 32) 
Schlick, D.P. 
 - Washington  Bureau of mines  1971 
<br/><br/><label>Subjects--Topical Terms: </label><br/>VENTILACION EN LA MINA<br/>POLVO EN LA MINA
<br/><br/><label>Universal Decimal Class. No.: </label>622.4