@inproceedings{MayeSchaeffnerMaaser, author = {Maye, Oliver and Sch{\"a}ffner, J. and Maaser, Michael}, title = {An Optical Indoor Positioning System for the Mass Market}, language = {en} } @misc{MayeMaaserSchaeffner, author = {Maye, Oliver and Maaser, Michael and Sch{\"a}ffner, J.}, title = {Optischer Translations-Rotations-Sensor}, language = {de} }