000 00317nam a22001097a 4500
008 230725b |||||||| |||| 00| 0 eng d
022 _a0005-8580
040 _aNational Science Library
_cNational Science Library
245 _aAT & T bell laboratories technical journal
260 _aNew York:
_bAT & AT,
942 _cCR
999 _c55094
_d55094