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 “Systems Thinking” at the First Summer School of Thinking by the Montparnasse Initiative by Stefan Blachfellner 8 years ago David Rousseau connects with European, Middle-Eastern and African communitites at INCOSE EMEA Sector Systems Engineering Conference in Berlin, Germany by Stefan Blachfellner 7 years ago Populism in the perspective of information processes by Stefan Blachfellner 9 years ago