000
00257nam a22000857a 4500
008
210304b ||||| |||| 00| 0 eng d
050
_a
QC225
245
_a
Physical foundations of technical acoustics
_c
MALECKI, I.
942
_2
lcc
_h
QC225 .M35 1969
999
_c
1565
_d
1565