@article {667,
	title = {Geographische Isolation und Subspeziation bei den Hochgebirgs-Lepidopteren der Balkanhalbinsel},
	journal = {Acta Entomologica Jugoslavica (Zagreb)Acta Entomologica Jugoslavica (Zagreb)},
	volume = {11},
	number = {1-2},
	year = {1975},
	pages = {5-39},
	keywords = {Balkans},
	author = {Varga Z.}
}
@article {668,
	title = {Composition and evolution of the high mountain fauna of the Balkan peninsula with special emphasis on Lepidoptera},
	journal = {Biologia Gallo-hellenicaBiologia Gallo-hellenica},
	volume = {12},
	year = {1986},
	pages = {133-135},
	keywords = {Balkans},
	author = {Varga Z.}
}
@article {669,
	title = {Biogeography of the high mountain Lepidoptera in the Balkan Peninsula},
	journal = {Ecol. Mont.Ecol. Mont.},
	volume = {1},
	number = {3},
	year = {2014},
	pages = {140-168},
	keywords = {Balkans},
	author = {Varga Z.}
}
@article {621,
	title = {June in Balkans},
	journal = {Entomologist{\textquoteright}s RecordEntomologist{\textquoteright}s Record},
	volume = {43},
	year = {1931},
	pages = {57-62},
	keywords = {Balkans},
	author = {Haig Th.}
}
@article {47,
	title = {Butterfly hunting in Balkans},
	journal = {The EntomologistThe Entomologist},
	volume = {46},
	year = {1913},
	pages = {122-130},
	keywords = {Balkans},
	author = {Gibbs A.E.}
}
