Arbeitskreis Astronomiegeschichte https://astronomische-gesellschaft.de/de/aktivitaeten/publ/jb/inst/ak-hist https://astronomische-gesellschaft.de/logo.png Arbeitskreis Astronomiegeschichte JB-AK_Hist-1999.pdf JB-AK_Hist-2000.pdf JB-AK_Hist-2001.pdf JB-AK_Hist-2002.pdf JB-AK_Hist-2003.pdf JB-AK_Hist-2004.pdf JB-AK_Hist-2005.pdf JB-AK_Hist-2006.pdf JB-AK_Hist-2007.pdf JB-AK_Hist-2008.pdf JB-AK_Hist-2009.pdf JB-AK_Hist-2010.pdf JB-AK_Hist-2011.pdf JB-AK_Hist-2012.pdf