@book{116636,
	author = {Černova, Nina Mihajlovna and Bylova, Aleksandra Mihajlovna},
	title = {Èkologiâ},
	publisher = {Prosveŝenie},
	year = {1988},
	series = {Učeb. posobie dlâ ped. in-tov},
	address = {Moskva},
	edition = {2-e izd., pererab.}
}