Kovscek, P.D. <br/><br/>
Evaluation of water jet assisted drilling with handheld drills 
Kovscek, P.D. 
 - Washington  Bureau of mines  1988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MAQUINAS DE CHORRO DE AGUA<br/>TECNOLOGIA MINERA
<br/><br/><label>Universal Decimal Class. No.: </label>622.232.5