Authors
Victor Starovoytov
Russian Federation
Oksana Starovoytova
Russian Federation
Alexandra Manohina
Russian Federation
© 2017 Victor Starovoytov, Oksana Starovoytova, Nikolay Aldoshin, Alexandra Manohina, published by Slovak University of Agriculture in Nitra
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.