Velayudhan Balakrishna Pillai  <br/><br/>
Studies on rubber compositions as passive acoustic materials in underwater electr acoustic transducer technology and their aging characteristics  

 - Kochi  Naval Physical and Oceanographic Laboratary   2003 
 - 276p. 
<br/><br/> Guide :Narayana Das, J.<br/><br/>Thesis (Ph.D), CUSAT, 2003 
<br/><br/><label>Subjects--Index Terms: </label>General Geology  Acoustic phenomina in the atmosphere  Guide : Narayana Das, J. 
<br/><br/><label>Universal Decimal Class. No.: </label>551.596:678  / VEL