@article{article,
title = {Sedentary and migratory species of bats chiroptera in the european part of the ussr part 3},
author = {Strelkov, P.P.},
year = {1972},
journal = {Byulleten' Moskovskogo Obshchestva Ispytatelei Prirody, Otdel Biologicheskii},
volume = {77},
number = {2},
pages = {27-31},
howpublished = "\url{https://eurekamag.com/research/027/358/027358689.php}"
}