Effective electromagnetic properties of microheterogeneous materials with surface phenomena Valery Levin, Mikhail Markov, Aleksandr Mousatov, Elena Kazatchenko and Evgeny Pervago Eur. Phys. J. B, 90 10 (2017) 192 Published online: 16 October 2017 DOI: 10.1140/epjb/e2017-80294-1