000 00391pam a2200133a 44500
082 _aBTS
_bMONO B-1109
100 _aPower,J R
245 1 _aMEASUREMENT OF ABSORPTION IN ROOMS WITH SOUND ABSORBING CEILINGS
260 _a
_b
_c1938
300 _a8
500 _aBound With Bts Mono B_1100-1108,110-1108.1110-1139.Lack No-1117,1119,1121,1124,1131.
964 _gCIRC
997 _aTR17358 C
999 _c404469
_d404469