@book{503513,
	author = {Ehrenroth,  Björn},
	title = { Close  Get a Copy Find a copy in the library Autumn movements in Parus and Aegithalos (Passeriformes) in central Sweden /},
	publisher = {Univ.,},
	year = {1979.},
	series = {Abstracts of Uppsala dissertations from the Faculty of Science ;},
	address = {Uppsala : }
}