@book{10113431,
	author = {Поляков, Г. И.},
	title = {Птицы Богородского уезда},
	publisher = {Богородск. ин-т краеведения},
	year = {1924},
	series = {Фауна Богородск. уезда Моск. губ.},
	address = {М.}
}