000 00425nam a22001697a 4500
020 _a0876923961
082 _a621.381
_bROD/E
100 _aRoddy, Dennis
245 _aElectronic Communications /
_c Dennis Roddy
250 _a3rd ed.
260 _c1985.
_bPrentice Hall of India,
_aNew Delhi :
300 _aix,788p. :
_bill.;pb.
500 _aincludes index
650 _aPhysics
700 _aCoolen,John
942 _cBK
999 _c17049
_d17049