PT Journal AU Herbst, M Reifenberger, A Velte, C Dorrer, H Düllmann, CE Enss, C Fleischmann, A Gastaldo, L Kempf, S Kieck, T Köster, U Mantegazzini, F Wendt, K TI Specific Heat of Holmium in Gold and Silver at Low Temperatures SO Journal of low temperature physics PY 2020 DI 10.1007/s10909-020-02531-1 LA english ER