TY - JOUR A1 - Ehrig, Rainald A1 - Heller, Markus O. T1 - On intrinsic equivalences of the finite helical axis, the instantaneous helical axis, and the SARA approach. A mathematical perspective. T2 - Journal of Biomechanics Y1 - 2019 UR - https://opus4.kobv.de/opus4-zib/frontdoor/index/index/docId/6623 VL - 84 SP - 4 EP - 10 ER -