@article {560,
	title = {Local survival rates of the pied flycatchers (Ficedula hypoleuca) and the great tits (Parus major) in an air pollution gradient},
	journal = {Ecosciences},
	volume = {5},
	year = {1998},
	pages = {46-50},
	author = {Eeva, T. and Lehikoinen E.}
}
