Interfacial adsorption in Potts models on the square lattice Nikolaos G. Fytas, Anastasios Malakis, Walter Selke and Lev N. Shchur Eur. Phys. J. B, 88 8 (2015) 204 Published online: 10 August 2015 DOI: 10.1140/epjb/e2015-60326-8