SMILE - Smartphones in Lectures - Initiating a Smartphone-based Audience Response System as a Student Project. - Linus Feiten; Manuel Bührer; Sebastian Sester; Bernd Becker 001 (CSEDU (1), 2012)

Acoustic Self-calibrating System for Indoor Smartphone Tracking (ASSIST). - Fabian Höflinger; Rui Zhang 001; Joachim Hoppe; Amir Bannoura; Leonhard M. Reindl; Johannes Wendeberg; Manuel Bührer; Christian Schindelhauer (IPIN, 2012)