000 00401pam a2200169 a 4500
020 _c
041 _h
082 _a621.382
_bROD/COO
100 _aRoddy D. .
245 _aElectronics Communications
_hDonate Books
250 _a3rd ed.
260 _aNew Delhi
_bPHI Learning Pvt. Ltd.,
_c1989
300 _bp.b.;
_c24*18.
653 _aDig. Communication
700 _aCoolen J.
930 _a16021
999 _c59242
_d59242