000 00302nam a22000977a 4500
005 20250901165332.0
008 210312b ||||| |||| 00| 0 eng d
050 _aTK6023
245 _a A history of engineering and science in the Bell System
_cFAGEN, M. D.
942 _2lcc
_hTK6023 .F34 1975
999 _c2332
_d2332