Large low-temperature magnetoresistance in SrFe2As2 single crystals S. V. Chong, G. V. M. Williams, J. Kennedy, F. Fang, J. L. Tallon and K. Kadowaki EPL, 104 1 (2013) 17002 Published online: 23 October 2013 DOI: 10.1209/0295-5075/104/17002