Local structure of ReFeAsO (Re = La, Pr, Nd, Sm) oxypnictides studied by Fe K-edge EXAFSA. Iadecola, S. Agrestini, M. Filippi, L. Simonelli, M. Fratini, B. Joseph, D. Mahajan and N. L. SainiEPL, 87 2 (2009) 26005DOI: https://doi.org/10.1209/0295-5075/87/26005