00698nam a2200193Ia 4500 SNU 20150624112007.0 120327s9999 xx 000 0 und d 9780070677449 Allied publiaher 004.6 SCH Schweber, William L. Data Communications William L.Schweber TMH New Delhi 2009 xi; 564p. 475 Data Transmission System , Data Communications , Communications Channel , Modulation and Demodulation , Analog Communications , Digital Communications , Communications Media and Problems , Telephone Systems and Modems and Networks BOOK ddc 2444 2444 0 0 ddc 0 0 SNUL SNUL 2012-03-27 475.00 0 004.6 SCH 2444 2012-03-27 00:00:00 2012-03-27 BOOK 0 0 ddc 0 1 SNUL SNUL 2012-11-07 475.00 0 004.6 SCH 2445 2012-11-07 00:00:00 2012-11-07 BOOK Reference Book 0 0 ddc 0 1 SNUL SNUL 2013-05-08 475.00 0 004.6 SCH 6784 2013-05-08 00:00:00 2013-05-08 BOOK