Code mobility for adaptation of multimedia services in a VHE environment. - Orazio Tomarchio; Giuseppe Di Modica; Davide Vecchio; Dániel Hoványi; Erwin Postmann; Hans Portschy (ISCC, 2002)

Service architectures for the wireless world. - Radu Popescu-Zeletin; Stefan Arbanowski; Ioannis Fikouras; Giovanni Gasbarrone; Martin Gebler; Henning Sanneck; Herma Van Kranenburg; Hans Portschy; Erwin Postmann; Kimmo E. E. Raatikainen (Comput. Commun., 2003)

Spice: A Service Platform for Future Mobile IMS Services. - Sasu Tarkoma; Bharat Bhushan; Ernö Kovacs; Herma Van Kranenburg; Erwin Postmann; Robert Seidl; Anna V. Zhdanova (WOWMOM, 2007)