Lesestoff: http://www.rcsoaringdigest.com/pdfs/RCSD-2009/RCSD-2009-12.pdf
G Gast_1648 User gesperrt 30. November 2009 #1 Lesestoff: http://www.rcsoaringdigest.com/pdfs/RCSD-2009/RCSD-2009-12.pdf