Dhard, C. P. W7-X: Supply Systems and Divertor (SD), Max Planck Institute for Plasma Physics, Max Planck Society;
Schoenfeld, H., & Dhard, C. P. (n.d.). Progress in Engineering of the Helium refrigerator for Wendelstein 7-X. In G. Gistau Bauguer (Ed.), Proceedings of 21st international Cryogenic Engineering Conference (ICEC21) (pp. 169-172). Prague: Icaris.