1. University of Hohenheim Institute of Crop Science, Quality of Plant Products (340e) 70593 Stuttgart Germany
2. University of Hohenheim Institute of Food Science and Biotechnology, Process Analytics and Cereal Science (150i) 70593 Stuttgart Germany
3. SKW Stickstoffwerke Piesteritz GmbH Möllensdorfer Straße 13 06886 Lutherstadt Wittenberg Germany