Kaluga
KonstantinovEugeneL.Kaluga State University named after K. E. Tsiolkovski, 26 Stepan Razin St., Kaluga 248023, Russiakaf16@tksu.ru
KorzikovV.A.Tsiolkovsky Kaluga State University, 26 Stepan Razina Str., Kaluga 248023, Russiakorzikoff_va@mail.ru
AlekseevS.K.Ecological club «Stenus», 4 Staroobriadchesky Per., Kaluga 248600, Russiastenus@yandex.ru