@article {267,
	title = {Bumblebees in the City of Helsinki},
	journal = {Proc. 24th Nordic  Congress of Entomology},
	year = {1999},
	chapter = {11-22},
	keywords = {Aculeata, Apidae, Bombus},
	author = {B{\"a}ckman, J.-P. C. and Ter{\"a}s, I.}
}
