Reports of 6th international congress on acoustics opening lecture Tokyo, Japan, August 21-28, 1968 

 - Tokyo:   Maruzen Company Ltd,   1968 
 - 44p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reports
<br/><br/><label>Universal Decimal Class. No.: </label>534(05)