Suresh kumar <br/><br/>
Study of fiber openness using ultra sonic sound 
Suresh kumar 
 - Dr.B.R.Amb 
 - Jalandhar  Dr.B.R.Ambedkar  National Institute of T  2016 
 - ix 58p 
<br/><br/><label>Dewey Class. No.: </label>612.01445321  / SU-S