Dhard, C. P., Nagel, M., Raatz, S., Nüsslein, U., & Ressel, M. (2014). Final acceptance tests of helium refrigerator for Wendelstein 7-X. Talk presented at Joint 25th International Cryogenics Engineering Conference (ICEC 25) and 2014 International Cryogenic Materials Conference (ICMC 2014). Enschede. 2014-07-07 - 2014-07-11.