monika.bumbalova@uniag.sk
ivan.takac@uniag.sk
martin.valach@uniag.sk
jelatvrdonova@gmail.com
© 2015 Monika Bumbalová, Ivan Takáč, Martin Valach, Jela Tvrdoňová, published by Slovak University of Agriculture in NitraThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.