Competing Spin Phases in Geometrically Frustrated Magnetic Molecules
C. Schröder, H. Nojiri, J. Schnack, P. Hage, M. Luban, P. Kögerler, Physical Review Letters 94 (2005).

Metamagnetic Phase Transition of the Antiferromagnetic Heisenberg Icosahedron
C. Schröder, H.-J. Schmidt, J. Schnack, M. Luban, Physical Review Letters 94 (2005).