Paper on Weiss and Bertalanffy presented at the ISSS 2006 50th annual meeting Stefan Blachfellner 20 years ago At the ISSS 2006 (50th Annual Meeting) a paper by Drack and Apfalter was presented: Is Paul Weiss’ and Ludwig von Bertalanffy’s System Thinking still valid today? Related posts Wittgenstein Symposium by Stefan Blachfellner 19 years ago “Think about people and think about process” – Stefan Blachfellner at the Expert Forum „Mobility and Infrastructure Networks” by Stefan Blachfellner 8 years ago Mission Innovation Austria 2021: A platform for all drivers and shapers of innovation and the energy system of the future by Judy Al Saman 5 years ago