Diagnostics of non-thermal distributions in solar flare spectra observed by RESIK and RHESSI A. Kulinová, J. Kašparová, E. Dzifčáková, J. Sylwester, B. Sylwester and M. Karlický A&A, 533 (2011) A81 Published online: 30 August 2011 DOI: 10.1051/0004-6361/201116741