@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.}
}
@book {1101,
	title = {Soil and cave invertebrates from the village Gintsi area},
	series = {Speleological Studies of Caves in Godech Municipality},
	year = {2016},
	pages = {116},
	publisher = {Association of Speleoclubs in Sofia},
	organization = {Association of Speleoclubs in Sofia},
	chapter = {39-51},
	address = {Sofia},
	isbn = {ISBN 978-619-90659-1-4},
	author = {Kostova, R. and Lazarov, S. and Bekchiev, R. and Goranov, S. and Simov, N. and Beshkov, S.},
	editor = {Toshkova, V. and Tachev, I.}
}
