Critical Assumptions in Superdistribution Based Business Models - Empirical Evidence from the User Perspective. - Sophie Ahrens; Thomas Hess; Tanja Pfister; Behrend Freese (HICSS, 2008)

Geofencing and background tracking - the next features in lbss. - Ulrich Bareth; Axel Küpper; Behrend Freese (GI-Jahrestagung, 2011)