Magnetic properties of YbNi5 from 170Yb Mössbauer and magnetisation measurements J. A. Hodges, P. Bonville and M. Ocio Eur. Phys. J. B, 57 4 (2007) 365-370 Published online: 29 June 2007 DOI: 10.1140/epjb/e2007-00184-5