Patil,G.C <br/><br/>
Text book of Engineering Physics 

 - Dharwad  Megha Publishers  1995 
 - p.249 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ultrasonics<br/>Crystallography
<br/><br/><label>Dewey Class. No.: </label>530.024 P298