00351nam a2200097Ia 4500008004100000245006400041245003700105260000900142650005400151856004800205171204s9999    xx            000 0 und d  aDigital Communication: Communication, Multimedia, Security:  cChristoph Meinel and Harald Sack  c2014  xDIGITAL INFORMATION AND COMMUNICATION DEVELOPMENT  uhttp://down.ebook777.com/060/3662515008.pdf