000
00249nam a22000857a 4500
008
210304b ||||| |||| 00| 0 eng d
050
_a
QC225
245
_a
An introduction to acoustics
_c
RANDALL, ROBERT H.
942
_2
lcc
_h
QC225 .R36 1951
999
_c
1564
_d
1564