"Use their tools!" - "But which one?" Designaktivitäten und -techniken in Entwicklungsprozessen interaktiver Systeme. - Christiane Grünloh; Gerhard Hartmann; Karsten Nebe (MuC (Workshopband), 2011)

Influence of Trust Assurances in Mobile Commerce Applications on the Formation of Online Trust. - Martin Hesseler; Gerhard Hartmann; Stefan Karsch (HCI (27), 2013)

Using Online Reviews as Narratives to Evoke Designer's Empathy. - Christiane Grünloh; Åke Walldius; Gerhard Hartmann; Jan Gulliksen (INTERACT (1), 2015)