For citations:

Ketenchiev Kh.A., Tikhonova A.V. THE SEASONAL ACTIVITY OF DRAGONFLY (ODONATA) IN ALTITUDINAL BELTS OF THE CENTRAL CAUCASUS. South of Russia: ecology, development. 2011;6(2):75-79. (In Russ.) https://doi.org/10.18470/1992-1098-2011-2-75-79