@book {193,
	title = {The Formicidae (Hymenoptera) of Fennoscandia and Denmark},
	series = {Fauna Entomologica Scandinavica},
	volume = {8},
	year = {1979},
	pages = {156},
	publisher = {Scandinavian Science Press Ltd.},
	organization = {Scandinavian Science Press Ltd.},
	address = {Klampenborg, Denmark},
	author = {Collingwood, Cedric A.}
}
