Paper on Weiss and Bertalanffy presented at the ISSS 2006 50th annual meeting Stefan Blachfellner vor 20 Jahren 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 Rainer E. Zimmermann Gastforscher by Stefan Blachfellner 12 Jahren ago „Measuring Organisational Efficiency“ – Neue Buch Veröffentlichung by Stefan Blachfellner 12 Jahren ago 2019 Circular Economy Stakeholder Conference: Follow Success Stories and New Challenges via Webstreaming by Stefan Blachfellner 7 Jahren ago