Stochastic resonance for information flows on hierarchical networks Agnieszka Czaplicka, Janusz A. Hołyst and Peter M.A. Sloot Eur. Phys. J. Special Topics, 222 6 (2013) 1335-1345 Published online: 13 September 2013 DOI: 10.1140/epjst/e2013-01929-5