000 00469nam a22001577a 4500
008 230621b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aR 621.39(035)
_bM8
100 _912118
245 _aElectronic communications handbook
260 _aNew York:
_bMcgraw-Hill Book Company,
_c1988
650 _aElectronic
653 _aCommunications
700 _aInglis, Andrew F (Ed.)
942 _2udc
_cHDK
999 _c45870
_d45870