Niemeyer, M.; Hirsch, K.; Zamudio-Bayer, V.; Langenberg, A.; Vogel, M.; Kossick, M.; Ebrecht, C.; Egashira, K.; Terasaki, A.; Möller, T.; von Issendorff, B.; Lau, J.T.: Spin Coupling and Orbital Angular Momentum Quenching in Free Iron Clusters. Physical Review Letters 108 (2012), p. 057201/1-5
10.1103/PhysRevLett.108.057201