ruslan.alekseyev.1998@gmail.com
r.guseinovs@umail.leidenuniv.nl
medvedevs.a@tsi.lv
© 2016 Ruslans Aleksejevs, Raufs Guseinovs, Alexander N. Medvedev, Sharif E. Guseynov, published by Transport and Telecommunication InstituteThis work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.