Proceeding of the 7th international congress on acoustics 

 - Budapest:   Akademiai Kiado,   1971 
 - xviii, 715p. 
<br/><br/>Vol.1 (General progress papers round tables conferences section E General  Acoustics)<br/>Vol.2 (Sections M-P-U Physical Acoustics)<br/>Vol.3 (Sections C-H-S Subjective Acoustics)<br/>Vol.4 (Sections A-N-V Technical Acoustics) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Acoustics
<br/><br/><label>Universal Decimal Class. No.: </label>534.8(082.2)  / L1