On solar cycle predictions and reconstructions R. Brajša, H. Wöhl, A. Hanslmeier, G. Verbanac, D. Ruždjak, E. Cliver, L. Svalgaard and M. Roth A&A, 496 3 (2009) 855-861 Published online: 20 January 2009 DOI: 10.1051/0004-6361:200810862