Authors
Gunta Leite
Latvia University of Life Sciences and Technologies, Jelgava, Latvia
Daiga Kunkulberga
Latvia University of Life Sciences and Technologies, Jelgava, Latvia
© 2018 Gunta Leite, Daiga Kunkulberga, published by Latvian Academy of Sciences
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.