Issue 1/1977 Articles Issue GeschichteThe Züri-Cup: A New Type of Competition for Model Glider Pilots Peter Aeberli1/1977 Geschichte1976 U.S. Championships in Dayton, Ohio Richard A. Penrod1/1977 Geschichte1976 Indoor Gliding World Championships Werner Heise1/1977 GeschichteOur National Gliding Team H. R. Schläpfer1/1977 GeschichteSintered Cells for Model Making Wolfgang Raudszus1/1977