1911. 6D Planar Magnetic Levitation System – Mag6D   Christoph Schäffel, Michael Katzschmann Hans-Ulrich Mohr Rainer Gloess Christian Rudolf Christopher Mock Carolin Walenda 14th International Symposium on Magnetic Bearings, Linz, Austria, http://www.magneticbearings.org/publications/  

  1912. 6D planar magnetic levitation system - PIMag 6D   Christoph Schäffel, Michael Katzschmann Hans-Ulrich Mohr Rainer Glöss Christian Rudolf Carolin Walenda JSME Mechanical Engineering Journal, Vol. 3 (2016) No. 1 p. 15-00111, The Japan Society of Mechanical Engineers, DOI: http://doi.org/10.1299/mej.15-00111  

  1913. 6D planar magnetic levitation system - PIMag 6D   Christoph Schäffel, Michael Katzschmann Hans-Ulrich Mohr Rainer Glöss Christian Rudolf Carolin Walenda JSME Mechanical Engineering Journal, DOI: http://dx.doi.org/10.1299/mej.15-00111, 16.10.2015  

  1914. 6D Magnetic Levitation Positioning System with Compact Integrated 6D Sensor   C. Rudolf, C. Mock C. Walenda R. Glöss R. Liang C. Schäffel M. Katzschmann H.-U. Mohr 12th EUSPEN International Conference, 2012, in Proceedings P7.04 Vol II, ISBN 978-0-9566790-0-0  

  1915. 6D Magnetic Levitation Positioning System with Compact Integrated 6D Sensor   C. Rudolf, C. Mock C. Walenda R. Glöss R. Liang C. Schäffel M. Katzschmann H.-U. Mohr 12th EUSPEN Int. Conference, Schweden, Stockholm, 04.06.2012-08.06.2012