Kawamura, Y <br/><br/>
Fundamental study on ultrasonic measurement system to detect penetration of boulders using cepstrum analysis.  [electronic resource] 

 -  Ultrasonics  Jun 2007 
 - 266-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1874-9968 
<br/><br/><label>Standard No.: </label>10.1016/j.ultras.2007.03.001  doi