@booklet {Bartak2009,
	title = {Checklist of Diptera of the Czech Republic and Slovakia: Psilidae Loew, 1861},
	howpublished = {Checklist of Diptera of the Czech Republic and Slovakia electronic version 2},
	year = {2009},
	keywords = {Chamaepsila, Chyliza, Loxocera, Oxypsila, Psila, Psilosoma, Strongylophthalmyia},
	url = {http://www.edvis.sk/diptera2009/families/psilidae.htm},
	author = {Bart{\'a}k, Miroslav and Carles-Tolr{\'a}, Miguel}
}
