000 00419pam a2200145a 44500
082 _aBTS
_bMONO 2190
100 _aGroth,W B
245 1 _aPRINCIPLES OF TAPE -TO CARD CONVERSION IN THE AMA SYSTEM AND MECHANIZED BILLING OF AMA TOLL MESSAGES
260 _a
_b
_c1953
300 _a7
500 _aBound With Bts Mono 2181-2189,2191-2198 Lack No-2197
700 _aSlade,F D
964 _gCIRC
997 _aTR20061 C
999 _c403696
_d403696