Tunneling magnetoresistance in small dot arrays with perpendicular anisotropy L. F. Zhang, C. Xu, P. M. Hui and Y. Q. Ma Eur. Phys. J. B, 52 3 (2006) 305-309 Published online: 31 July 2006 DOI: 10.1140/epjb/e2006-00299-1