lysenko_av@bk.ru
yurkov_nk@mail.ru
trusov_v@mail.ru
tzhashkova@gmail.com
Jurijs.Lavendels@.rtu.lv
© 2018 Alexey Lysenko, Nikolay Yurkov, Vasiliy Trusov, Tatyana Zhashkova, Jurijs Lavendels, published by Riga Technical UniversityThis work is licensed under the Creative Commons Attribution 4.0 License.