00638nam a22002297a 4500 SNU 20140630111302.0 140630b xxu||||| |||| 00| 0 eng d 9780850123630 HCL 001.64 BLE Bleazard, G. B. Handbook of data communications. / G. B. Bleazard Manchester : NCC Publications, ©1982. xx, 477 p. : ill. ; 22 cm. Data transmission systems. Data transmission Computer hardware Bleazard, G. B. Computer Science ddc HCL 13581 13581 1 0 ddc 0 0 SNUL SNUL 2014-06-30 0 001.64 BLE H759 2014-06-30 00:00:00 2014-06-30 HCL 1 0 ddc 0 0 SNUL SNUL 2014-08-14 0 001.64 BLE H10777 2014-08-14 00:00:00 2014-08-14 HCL