Circulars

Society members are informed twice or three times a year on current affairs by a circular.

Archive of the published and available circulars (only available in german)
PDF2024/1 February 2024
PDF2023/1 March 2023 PDF2023/2 July 2023 PDF2023/3 November 2023
PDF2022/1 March 2022 PDF2022/2 July 2022 PDF2022/3 December 2022
PDF2021/1 March 2021 PDF2021/2 July 2021 PDF2021/3 December 2021
PDF2020/1 March 2020 PDF2020/2 May 2020 PDF2020/3 August 2020 PDF2020/4 December 2020
PDF2019/1 March 2019 PDF2019/2 June 2019 PDF2019/3 December 2019
PDF2018/1 April 2018
PDF2017/1 February 2017 PDF2017/2 June 2017
PDF2016/1 January 2016 PDF2016/2 June 2016
PDF2015/2 June 2015 PDF2015/1 January 2015
PDF2014/1 June 2014 PDF2013/2 December 2013
PDF2013/1 June 2013 PDF2012/2 December 2012
PDF2012/1 June 2012 PDF2011/2 December 2011
PDF2011/1 June 2011 PDF2010/2 December 2010
PDF2010/1 May 2010 PDF2009/2 December 2009
PDF2009/1 May 2009 PDF2008/2 December 2008
PDF2008/1 May 2008 PDF2007/2 December 2007
PDF2007/1 April 2007 PDF2006/2 November 2006
PDF2006/1 June 2006 PDF2005/2 December 2005
PDF2005/1 May 2005 PDF2004/2 December 2004
PDF2004/1 May 2004 PDF2003/2 December 2003
PDF2003/1 May 2003 PDF2002/2 December 2002
PDF2002/1 July 2002 PDF2001/2 December 2001
PDF2001/1 April 2001 PDF2000/2 December 2000
PDF2000/1 July 2000