Efficient proximity detection among mobile targets with dead reckoning. - Georg Treu; Thomas Wilder; Axel Küpper (MOBIWAC, 2006)

Extending the LBS-framework TraX: Efficient proximity detection with dead reckoning. - Georg Treu; Axel Küpper; Thomas Wilder (Comput. Commun., 2008)

Design of a Portable Assisted Mobility Device - A sustainable urban transport. - Mohammad K. Hossain; Md. Mahmudur R. Chowdhury; Mark Black; Christopher Elmore; Thomas Wilder; Pradosh K. Ray (ICCVE, 2013)