@proceedings {130,
	title = {New and interesting records of the MSS and cave fauna of Vitosha Mt., Bulgaria},
	year = {2014},
	month = {2014},
	pages = {66-76},
	publisher = {Caving Club {\textquotedblleft}Helictite{\textquotedblright} {\textendash} Sofia},
	author = {Langourov, M. and Lazarov, S. and Stoev, P. and Gu{\'e}orguiev, B. and Deltshev, Ch. and Petrov, B. and Andreev, S. and Simov, N. and Bekchiev, R. and Antonova, V. and Ljubomirov, T. and Dedov, I. and Georgiev, D.},
	editor = {Zhalov A., I. Ivanov, I. Petrov}
}
@article {79,
	title = {First purposive study of beetles (Coleoptera) from endogean environments in Bulgaria: collection sites and preliminary results},
	journal = {Biodiversity Journal},
	volume = {6},
	number = {1},
	year = {2015},
	month = {2015},
	pages = {327{\textendash}340},
	author = {Bekchiev, R. and Gu{\'e}orguiev, B.}
}
