How to assess the impact of an electronic document? And what does impact mean anyway?: Reliable usage statistics in heterogeneous repository communities. - Ulrich Herb; Eva Kranz; Tobias Leidinger; Björn Mittelsdorf (OCLC Syst. Serv., 2010)

MoFIS: a mobile user interface for semi-automatic extraction of food product ingredient lists. - Tobias Leidinger; Lübomira Spassova; Andreas Arens; Norbert Rösch (IUI Companion, 2013)