@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.}
}
@article {12,
	title = {Contribution to the knowledge of myrmecophilous beetles (Coleoptera) of Bulgaria.},
	journal = {Acta Societatis Zoologicae Bohemicae},
	volume = {71 },
	number = {2},
	year = {2007},
	pages = {131-136},
	abstract = {<br />
},
	author = {Hlav{\'a}{\v c}, P. and Bekchiev, R. and R{\r u}{\v z}i{\v c}ka, J. and Lackner, T.}
}
@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.}
}
