Experimental Uncertainty and Covariance Information in EXFOR Library N. Otuka, R. Capote, S. Kopecky, A.J.M. Plompen, V.G. Pronyaev, P. Schillebeeckx and D.L. Smith EPJ Web of Conferences, 27 (2012) 00007 Published online: 30 May 2012 DOI: 10.1051/epjconf/20122700007