@mastersthesis {1100,
	title = {Faunistical research on Pselaphinae fauna (Coleoptera: Staphylinidae) in several regions of south-west Bulgaria},
	volume = {PhD},
	year = {2007},
	pages = {131},
	school = {Sofia University {\textquoteright}St. Climent Ohridski"},
	address = {Sofia},
	author = {Bekchiev, R.}
}
@inbook {6,
	title = {A study of the Pselaphinae (Coleoptera, Staphylinidae) in the Rhodope Mountains (Bulgaria)},
	booktitle = {Biodiversity of Bulgaria 4. Biodiversity of Western Rhodopes (Bulgaria and Greece) II.},
	year = {2011},
	pages = {267{\textemdash}278},
	publisher = {Pensoft Publishers \& National Museum of Natural History, Bulgarian Academy of Sciences},
	organization = {Pensoft Publishers \& National Museum of Natural History, Bulgarian Academy of Sciences},
	address = {Sofia},
	abstract = {<br />
},
	author = {Bekchiev, R.},
	editor = {Beron, P.}
}
@article {5,
	title = {The subfamily Pselaphinae (Coleoptera: Staphylinidae) of southwestern Bulgaria. I.},
	journal = {Historia Naturalis Bulgarica},
	volume = {19},
	year = {2008},
	pages = {51-71},
	abstract = {<br />
},
	author = {Bekchiev, R.}
}
