Anisotropic magnetic exchange in orthorhombic RCu2 compounds (R = rare earth) M. Rotter, M. Loewenhaupt, S. Kramp, T. Reif, N. M. Pyka, W. Schmidt and R. van de Kamp Eur. Phys. J. B, 14 1 (2000) 29-42 Published online: 15 March 2000 DOI: 10.1007/s100510050103