Download Article
Download the full article as a PDF file.
Download the full article as a PDF file.
© 2014 Dace Grauda, Andra Miķelsone, Nadežda Ļisina, Kârlis Žagata, Reinis Ornicāns, Oksana Fokina, Lita Lapiņa, Isaak Rashal, published by Latvian Academy of Sciences
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.