Dolgikh, Grigory; Bovsun, Mariia; Dolgikh, Stanislav; Stepochkin, Igor; Chupin, Vladimir; Yatsuk, Andrey

Silkova, O G; Ivanova, Y N; Stepochkin, P I

Stepochkin, P I; Stasyuk, A I

Cheshkova, A F; Stepochkin, P I; Aleynikov, A F; Grebennikova, I G; Ponomarenko, V I

Evtushenko, Elena V; Lipikhina, Yulia A; Stepochkin, Petr I; Vershinin, Alexander V