K. Karamanos, A. Gkiolmas, A. Chalkidis, C. Skordoulis, M. Papaconstantinou, and D. Stavrou, “Ecosystem Food-webs as Dynamic Systems: Educating Undergraduate Teachers in Conceptualizing Aspects of Food-webs’ Systemic Nature and Comportment”, Adv Syst Sci Appl, vol. 12, no. 4, pp. 353–372, Dec. 2012.