004.6 HOR 58904 58905 58906 58907 58908 60038 60039 60040 60041 60042 60043 60044 60045 60046 60047 60048 60049 60050 60051 60052 60053 60054 60055 60057
Horak, Ray Communications systems and networks / by Ray Horak. - 3rd ed.. - New Delhi : Wiley, c2002 xxxii, 678p. :ill. 81-265-0336-X Rs.399.00 * Computer networks Telecommunication system
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