Organiscak, John A. <br/><br/>
Effect of shear web depth on dust generation and methane liberation 
Organiscak, John A. 
 - Washington  Bureau of mines  1988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONTROL DEL POLVO EN LA MINA<br/>MAQUINAS Y HERRAMIENTAS
<br/><br/><label>Universal Decimal Class. No.: </label>622.807