Juan Redmond, University of Valparaíso, Valparaíso, Chile; Olga Pombo Martins, University of Lisbon, Lisboa, Portugal; Ángel Nepomuceno Fernández, University of Sevilla, Sevilla, Spain / 2018-05-26 / Springer Berlin Heidelberg
Mirosaw Pawlak, Adam Mickiewicz University, Kalisz, Poland; Anna Mystkowska-Wiertelak, Adam Mickiewicz University, Kalisz, Poland / 2018-05-18 / Springer Berlin Heidelberg