Abdul Rahman. <br/><br/>
MATERIAL CLASSIFICATION USING ULTRASONIC ECHOES / 
Abdul Rahman. 
 - Islamabad:  PNEC NUST,  2014. 
 - 52 p. :  ill. ;  30cm. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Engineering MS-Thesis.
<br/><br/><label>Dewey Class. No.: </label>621.3