@book{508328,
	author = {Ледерле, М.М.},
	title = {Соловушка :},
	publisher = {[б.и.],},
	year = {1891.},
	address = {СПб. :},
	url = {http://dlib.rsl.ru/rsl01003000000/rsl01003563000/rsl01003563315/rsl01003563315.pdf}
}