Locked Your Phone? Buy a New One? From Tales of Fallback Authentication on Smartphones to Actual Concepts. - Alina Hang; Alexander De Luca; Emanuel von Zezschwitz; Manuel Demmler; Heinrich Hussmann (MobileHCI, 2015)

Intelligent Interruptions for IVR: Investigating the Interplay between Presence, Workload and Attention. - Ceenu George; Manuel Demmler; Heinrich Hussmann (CHI Extended Abstracts, 2018)