Persen, Leif N. <br/><br/>
Rock dynamics and geophysical exploration : b introduction to stress waves in rocks / 
by Leif N. Persen 
 - Amsterdam :  Elsevier Science,  1975 
 - ix, 276 p. :  ill. ;  25 cm. 
 - Developments in geotechnical engineering ;  8 .
 - Developments in geotechnical engineering ;  8 .
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rock mechanics.<br/>Stress waves.