Authors
Gerhard Leitner
Bundesamt für Weinbau, Eisenstadt, Austria
Helmut Gangl
Bundesamt für Weinbau, Eisenstadt, Austria
© 2026 Wolfgang Tiefenbrunner, Gerhard Leitner, Helmut Gangl, published by High School and Federal Office of Viticulture and Pomology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.