Wireless LAN for Communities. - Helena Unger; Alexander Polonsky; Djamshid Tavangarian (GI Jahrestagung (1), 2001)

The Guadalajara Urban Traffic Control Project - An Overview About Features and Needs for Tomorrow's Mobile City Communities. - Helena Unger (IICS, 2005)

A Distributed Proxy System for High Speed Clients. - Martin Krohn; Helena Unger; Djamshid Tavangarian (CSICC, 2008)