D. Zachhuber

Towards the counter free store: requirements for mobile sales assistants

Manfred Tscheligi, Ilhan Aslan, David Wilfinger, 2013, UbiComp.

Contextual Wizard of Oz - A Framework Combining Contextual Rapid Prototyping and the Wizard of Oz Method

Manfred Tscheligi, Thomas Grill, Ondrej Polácek, 2012, AmI.