T. Ackermann, S. Sahakalkan, and E. Westkämper. IEEE NANO 2015 : 15th International Conference on Nanotechnology, page 530-533. Piscataway, NJ, IEEE, (2016)
S. Keckl, W. Kern, A. Abou-Haydar, and E. Westkämper. Research and Innovation in Manufacturing: Key Enabling Technologies for the Factories of the Future - Proceedings of the 48th CIRP Conference on Manufacturing Systems, 41, page 201-206. Red Hook, NY, Curran, (2016)