Einladung zur Einreichung von Beiträgen 60. Jahrestagung der GEWISOLA in Halle (Saale) 23. bis 25. September 2020 Authors GJAE Downloads PDF Published 2019-12-01 Issue Vol. 68 No. 4 (2019) Section News License German copyright law applies. The document may be used free of charge for personal use, but it may not be made available on the Internet or passed on to third parties.
