by Feltrup, A., Huang, K., Krülle, C.A., Rehberg, I.
Published in The European physical journal. ST, Special topics (01.12.2009)

by Doderer, T., Hoffmann, D., Huebener, R.P., Kirchmann, N., Krulle, C.A., Lachenmann, S., Quenter, D., Schmidt, J., Stehle, S., Niemeyer, J., Popel, R., Benz, S.P., Booi, P.A.A.
Published in IEEE transactions on applied superconductivity (01.03.1993)