Dickerson, E.H. <br/><br/>
Rock drill data. 

 - Phillipsburg, N.J. :  Compressed air magazine,  1960. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minería
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Libro
<br/><br/><label>Universal Decimal Class. No.: </label>622.23