Waytulonis, Robert W. <br/><br/>
International regulation of dieses engine use underground: a country by country synopsis 
Waytulonis, Robert W. 
 - Washington  Bureau of mines  1987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MINERIA<br/>MAQUINAS Y HERRAMIENTAS<br/>MOTORES DIESEL
<br/><br/><label>Universal Decimal Class. No.: </label>622