Constantin Zopounidis, Technical University of Crete, Chania, Greece; Michael Doumpos, Technical University of Crete, Chania, Greece / 2016-09-15 / Springer Berlin Heidelberg
Franz-Josef Kahlen, Kahlen Global Professional Solutions , Gronau, Germany; Shannon Flumerfelt, Oakland University, Rochester, MN, USA; Anabela Alves, University of Minho, Pico de Regalados, Portugal / 2016-08-25 / Springer Berlin Heidelberg