Mailinglist active Stefan Blachfellner 18 years ago The list is open for subscription To encourage discussion on issues concerning Bertalanffy, system research and related topics, we started a mailinglist. Please click here to subscribe. Related posts Enrique G. Herrscher. In memory of a great mind! by Stefan Blachfellner 6 years ago A great and generous mind passes on: Charles François and his legacy by Stefan Blachfellner 7 years ago Thanks to Charles Francois by Stefan Blachfellner 19 years ago