K. Kleine, S. Tegtmeier, and F. Giones. (January 2018)2018 National Conference of the United States Association for Small Business and Entrepreneurship, USASBE 2018 ; Conference date: 10-01-2018 Through 14-01-2018.
J. Friedrich, H. Hartmann, A. Verl, and A. Lechler. Proceedings of the 24th International Conference on Flexible Automation & Intelligent Manufacturing, University of Texas at San Antonio, (2014)
