000 00326pam a2200133a 44500
082 _aBTS
_bMONO 2040
100 _aMayers,Oscar
245 1 _aCOMMON CONTROL TELEPHONE SWITCHING SYSTEMS
260 _a
_b
_c1952
300 _a35
500 _aBound With Bts Mono 2024-2039,2041-2045
964 _gCIRC
997 _aTR19424 C
999 _c403087
_d403087