Trusted Location Based Services. - Peter Teufl; Thomas Zefferer; Sandra Kreuzhuber; Christian M. Lesjak (ICITST, 2012)

Assessing the Suitability of Current Smartphone Platforms for Mobile Government. - Thomas Zefferer; Sandra Kreuzhuber; Peter Teufl (EGOVIS/EDEM, 2013)

Cryptographic Service Providers in Current Device Landscapes: An Inconvenient Truth. - Florian Reimair; Johannes Feichtner; Dominik Ziegler 001; Sandra Kreuzhuber; Thomas Zefferer (SECRYPT, 2017)