Bethan Evans, University of Liverpool, Liverpool, UK; John Horton, The University of Northampton, Northampton, UK; Tracey Skelton, National University of Singapore Department of Geography, Singapore / 2016-09-12 / Springer Singapore
Rolf Jucker, SILVIVA, Foundation for Experiential Environmental Education, Zurich, Switzerland; Reiner Mathar, Ministry of Education and Training, Hessen, Germany / 2016-09-10 / Springer Berlin Heidelberg
Jürgen Scheffran, University of Hamburg ZMAW, Hamburg, Germany; Michael Brzoska, Hamburg University, Hamburg, Germany; Hans Günter Brauch, AFES-PRESS, AG Friedensforschung und Europäische Sicherheitsp / 2016-08-23 / Springer Berlin Heidelberg