000 00335pam a2200133a 44500
082 _aBTS
_bMONO 1908
100 _aSchneckloth,H H
245 1 _aTRANSLATORS AND IDENTIFIERS IN SWITCHING SYSTEMS
260 _a
_b
_c1951
300 _a38
500 _aBound With Bts Mono 1900-1907,1909-1929
964 _gCIRC
997 _aTR19682 C
999 _c403150
_d403150