H. Funk, J. Ng, N. Kamimura, Y. Xie, and J. Schulze. 2017 40th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO), page 31-36. (May 2017)
S. Gharbi, H. Pang, C. Lingel, T. Haist, and W. Osten. Applied optics, (2017)1 cites: https://scholar.google.com/scholar?cites=7687204403978225625&as_sdt=2005&sciodt=0,5&hl=en.
D. Buchta, C. Heinemann, G. Pedrini, C. Krekel, and W. Osten. Optics for Arts, Architecture, and Archaeology VI, 10331, page 103310G. International Society for Optics and Photonics, SPIE, (2017)