000 00366nam a22001217a 4500
008 230714b |||||||| |||| 00| 0 eng d
022 _a0005-8580
040 _aNational Science Library
_cNational Science Library
245 _aBell system technical journal
260 _aHolmdel:
_bAmerican Telephone and Telegraph Company,
_c1982
310 _aMonthly
942 _cCR
999 _c52472
_d52472