Authors
Karol Wysocki
Department of Horticulture, University of Warmia and Mazury in Olsztyn, Olsztyn
Tadeusz Banaszkiewicz
Department of Horticulture, University of Warmia and Mazury in Olsztyn, Olsztyn
© 2015 Karol Wysocki, Tadeusz Banaszkiewicz, published by Polish Society for Horticultural Sciences (PSHS)
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.