The contribution of Gd and Mn neighbours to the Gd hyperfine field in GdMn6Ge6 M. T. Kelemen, P. Rösch, N. Kaplan and E. Dormann Eur. Phys. J. B, 18 3 (2000) 435-440 Published online: 15 December 2000 DOI: 10.1007/s100510070030