000 00519nam a22001817a 4500
008 230317b |||||||| |||| 00| 0 eng d
020 _a0-87692-168-3
040 _aNational Science Library
_cNational Science Library
080 _aD 621.38
_bM1
100 _aRoddy, Dennis
_93594
245 _aElectronic communications
250 _a2nd ed.
260 _aNew Delhi:
_bPrentice-Hall of India Private Limited,
_c1980
300 _axii, 628p.
650 _aScience
653 _aCommunications
942 _2udc
_cBK
999 _c10633
_d10633