@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}
}
