00627nam a22001457a 4500 230427b |||||||| |||| 00| 0 eng d National Science Library National Science Library 534(063) K2 Fourth international congress on acoustics congress report II /The Organization Committee of the Fourth International Congress on Acoustics, copenhagen august 21-28 1962 Copenhagan: The Organization Committee of the Fourth International Congress on Acoustics, 1962 250p. Acoustical quality Computer-catalyzed udc REP 23968 23968 0 0 udc 0 534063_K2 0 35218 NSL NSL GF/Rk-6/C-6/R-2 1965-06-19 0 534(063) K2 12796 2023-04-27 00:00:00 1965-06-19 REP