000 00489pam a2200169 a 4500
020 _a9788177582
_c
041 _aeng
082 _a621.382
_bROD/COO
100 _aRoddy D.,
_eauthor.
245 _aElectronic Communications
_hTextual Documents
250 _a4th ed.
260 _aNew Delhi
_bDorling Kindersley (India) Pvt.Ltd. Licensees of Pearson Education
_c2011
300 _axi/723:
_bp.b.;
_c23*17.
653 _aDig. Communication
700 _aCoolen J.,
_eauthor.
930 _a15327
999 _c58548
_d58548