@article {1366,
	title = {Coleoptera and Lepidoptera (Insecta) diversity in the central part of Sredna Gora Mountains (Bulgaria)},
	journal = {Bulletin of the Entomological Society of MaltaBulletin of the Entomological Society of Malta},
	volume = {10},
	year = {2019},
	pages = {75-95},
	author = {Kostova, R. and Bekchiev, R. and Beshkov, S.}
}
@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.}
}
