@article {470,
	title = {Retouches sur quelques fourmis d{\textquoteright}Europe. II. Lasius groupe umbratus Nylander.},
	journal = {Tijdschrift voor Entomologie},
	volume = {80},
	year = {1937},
	month = {1937-05},
	pages = {38-72},
	author = {St{\"a}rcke, August}
}
@article {168,
	title = {Additamentum adnotationum in monographiam formicarum borealium Europae.},
	journal = {Acta Societatis Scientiarum Fennicae},
	volume = {2},
	year = {1846},
	month = {1846},
	pages = {1041-1062},
	author = {Nylander, William}
}
