000 00280pam a2200121a 44500
082 _a530
_bSE1M2
100 _aSears, Francis Weston
245 1 _aMECHANICS, HEAT AND SOUND
250 _a2
260 _a
_bAddison-Wesley Press, Inc.
_c1950
964 _gCIRC
997 _a24027 C
999 _c407908
_d407908