Sepp Rothwangl, of Graz, Austria, is a lecturer and writer on archaeoastronomy and calendrical topics. See web site http://www.calendersign.ric.at for additional information and articles.
Sepp Rothwangl, of Graz, Austria, is a lecturer and writer on archaeoastronomy and calendrical topics. See web site http://www.calendersign.ric.at for additional information and articles.