Alignment-Free, Self-Calibrating Elbow Angles Measurement Using Inertial Sensors. - Philipp Müller 006; Marc-Andre Begin; Thomas Schauer; Thomas Seel (IEEE J. Biomed. Health Informatics, 2017)

Real-Time Joint Axes Estimation of the Hip and Knee Joint during Gait using Inertial Sensors. - Markus Nordén; Philipp Müller 006; Thomas Schauer (iWOAR, 2018)