Heldermann Verlag.

Sobolev Institute of Mathematics.

59th IEEE Global Communications Conference, GLOBECOM 2016. Institute of Electrical and Electronics Engineers Inc..

Springer International Publishing.

UE Professional Editions.

Springer Verlag.

Nova Science Publishers, Inc..

Institute of Astronomy and Rozhen NAO.

Journal of Global Pharma Technology.

National Research Center Kurchatov Institute.

American Institute of Physics Inc..

SPB Pharma Society.

Petrozavodsk State University.

Springer Verlag.

Institut za Istrazivanja.