Fiedler, Wolfgang Vogelwarte Radolfzell, Radolfzell, Max Planck Institut für Ornithologie, Max Planck Society;
Fiedler, W. (1998). How to get a pointed wing?: Evolutionary changes in Blackcap's (Sylvia atricapilla) wing shape. Biologia e Conservazione della Fauna, 102, 219-219.