Unconventional critical behavior in the weak ferromagnet BaIrO3 T. Kida, A. Senda, S. Yoshii, M. Hagiwara, T. Takeuchi, T. Nakano and I. Terasaki EPL, 84 2 (2008) 27004 Published online: 02 October 2008 DOI: 10.1209/0295-5075/84/27004