Kuhn, C.; Bahrdt, J.; Gaupp, A.; Scheer, M.; Schulz, B.: Developing of Advanced Magnet Structures for Cryogenic in Vacuum Permanent Magnet Undulators. In: Christine Petit-Jean-Genaz ... [Ed.] : Proceedings of the IPAC14, Dresden, Germany. JaCoW, 2014. - ISBN 978-3-95450-132-8, p. WEPRO029/2004-2006
http://accelconf.web.cern.ch/AccelConf/IPAC2014/papers/wepro029.pdf
Open Accesn Version