000 00279nam a22000977a 4500
005 20250901165239.0
008 210226b ||||| |||| 00| 0 eng d
050 _aQC23 .S43
245 _aMechanics, heat and sound
_cSEARS, FRANCIS WESTON
942 _2lcc
_hQC23 .S43 1950
999 _c965
_d965