@article {333,
	title = {Zur Taxonomie und Verbreitung der Gattung Deliphrosoma Reitter (Staphylinidae: Omaliinae)},
	journal = {Verhandlungen Westdeutscher Entomologentag},
	volume = {1990},
	year = {1991},
	pages = {147-153},
	author = {Zerche, L.}
}
@article {307,
	title = {Studien zur Systematik und Faunistik der Gattung Tachyporus Grav. (Coleoptera, Staphylinidae)},
	journal = {Entomologische Nachrichten und Berichte},
	volume = {35},
	number = {1},
	year = {1991},
	pages = {5-16},
	author = {Sch{\"u}lke, M.}
}
@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.}
}
