Authors
Yu. Bondarenko
Institute of Applied Astronomy, Russian Academy of Sciences, St.Petersburg, Russia
D. Marshalov
Institute of Applied Astronomy, Russian Academy of Sciences, St.Petersburg, Russia
© 2022 Yu. Bondarenko, D. Marshalov, published by Institute of Physical Energetics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.