@article {491,
	title = {Ueber einige wenig bekannte Formen von Parn. Apollo L.},
	journal = {Societas entomologicaSocietas Entomologica},
	year = {1913},
	pages = {42-44},
	keywords = {Parnassius apollo},
	author = {R?hl M.}
}
@article {387,
	title = {Studien  ?ber die Lepidopterenfauna der Balkanl?nder II. Teil: Sammerlergebnisse aus Montenegro, Albanien, Mazedonien und Thrazien},
	journal = {Ann. Naturhist. HofmusAnn. Naturhist. Hofmus},
	volume = {27},
	year = {1913},
	pages = {?},
	keywords = {Macedonia, Thrace},
	author = {Rebel Hans}
}
@article {388,
	title = {Studien ?ber die Lepidopterenfauna der Balkanl?nder III. Teil.  Sammelergebnisse aus Montenegro, Albanien, Mazedonien und Thrazien},
	journal = {Ann. D. nat. Hist. Hofmuseums (Naturhistorisches Museum Wien)Ann. D. nat. Hist. Hofmuseums (Naturhistorisches Museum Wien)},
	volume = {27},
	year = {1913},
	pages = {281-334},
	keywords = {Macedonia, Thrace},
	author = {Rebel Hans}
}
@article {47,
	title = {Butterfly hunting in Balkans},
	journal = {The EntomologistThe Entomologist},
	volume = {46},
	year = {1913},
	pages = {122-130},
	keywords = {Balkans},
	author = {Gibbs A.E.}
}
@article {59,
	title = {Ueber einige wenig bekannte formen von Parnassius apollo},
	journal = {Societas entomologicaSocietas Entomologica},
	volume = {28},
	year = {1913},
	pages = {42-44},
	author = {Pagenstecher Arnold}
}
