@article {3540,
	title = {Sex-role reversed courtship behaviour, sexual dimorphism and nuptial gift in the dance fly, Empis borealis (L.)},
	journal = {Ann. Zool. Fenn.},
	volume = {24},
	year = {1987},
	pages = {323-334},
	author = {Svensson, B. G. and Petersson, E.}
}
