Apparent high metallicity in 3–4 keV galaxy clusters: the inverse iron-bias in action in the case of the merging cluster Abell 2028F. Gastaldello, S. Ettori, I. Balestra, F. Brighenti, D. A. Buote, S. De Grandi, S. Ghizzardi, M. Gitti and P. TozziA&A, 522 (2010) A34DOI: https://doi.org/10.1051/0004-6361/201014279