Maurer, William C. <br/><br/>
Novel drilling techniques / 
by William C. Maurer. 
 - Oxford:  Pergamon Press,  1968. 
 - ix, 114 p. :   ill. ;   22 cm. 
<br/><br/> 'Issued under the auspices of the International journal of rock mechanics and mining sciences.' 
<br/><br/><label>LCCN: </label>68-17738 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boring.