@article {19,
	title = {Variety of species of the Philonthus Curtis genus, 1829 (Coleoptera: Staphylinidae) in Bulgaria},
	journal = {Izvestiia na Muzeite v Severozapadna Bulgariia},
	volume = {17},
	year = {1991},
	pages = {63-77},
	author = {Raichev, I. M.}
}
