Kinematics of ideal string vibration against a rigid obstacleKartofelev, DmitriProceedings of the 20th International Conference on Digital Audio Effects : 5-9 September 2017, Edinburgh UK2017 / p. DAFX-40 - DAFX-47 : illhttp://www.dafx17.eca.ed.ac.uk/papers/DAFx17_Proceedings.pdf