Critical properties of the 3D-Heisenberg ferromagnet CdCr2Se4 Lei Zhang, Jiyu Fan, Li Li, Renwen Li, Langsheng Ling, Zhe Qu, Wei Tong, Shun Tan and Yuheng Zhang EPL, 91 5 (2010) 57001 Published online: 03 September 2010 DOI: 10.1209/0295-5075/91/57001