00618nam a2200193Ia 4500 13075 140402s9999 xx 000 0 und d 0-7895-4287-0 PK-LaUMT 004.6 SHE-B Cashman, Thomas J., J.T.; (Serwatka, Judy A.), J.T Business data communication : Introductory concepts and tech Cashman, Thomas J., J.T.; (Serwatka, Judy A.), J.T<>Shelly, Gary B. Boston,USA: International Thomson Publishing, 1998 V p. EN Computer networks Shelly, Gary B. BK 13786 13786 0 0 ddc 0 0 01 01 2014-06-09 1 004.6 SHE-B 14630 2020-03-24 2019-11-25 00:00:00 2019-11-25 2014-06-09 BK