000 00306pam a2200133a 44500
082 _aBTS
_bMONO 2045
100 _aClark,A B
245 1 _aTHE DEVELOPMENT OF TELEPHONY STATES
260 _a
_b
_c1952
300 _a17
500 _aBound With Bts Mono 2024-2044
964 _gCIRC
997 _aTR19429 C
999 _c403092
_d403092