@article {458,
	title = {Erster Beitrag zur Schmetterlingsfauna des Westbalkans Gebirges (Westliche Stara-Planina)},
	journal = {Trud. bulg. prir. Druzh.  (Travaux de la Soci?t? Bulgare des Sciences Naturelles)Trud. bulg. prir. Druzh.  (Travaux de la Soci?t? Bulgare des Sciences Naturelles)},
	volume = {15-16},
	year = {1932},
	pages = {307-312},
	author = {Tuleschkoff  (Touleschkoff  {\TH} Tuleschkow) K.}
}
@article {160,
	title = {Contribution ? l{\textquoteright}?tude de la faune des papillons dans la r?gion de la ville d{\textquoteright}Aitos.},
	journal = {Trud. bulg. prir. Druzh.  (Travaux de la Soci?t? Bulgare des Sciences Naturelles)Trud. bulg. prir. Druzh.  (Travaux de la Soci?t? Bulgare des Sciences Naturelles)},
	volume = {10},
	year = {1923},
	pages = {49{\textemdash}53},
	author = {Iltschew (Iltcheff) D.}
}
@article {106,
	title = {Zweiter Beitrag zur Erforschung der Lepidopterenfauna von Trazien {\textemdash} Mazedonien und der Nachbarl?nder},
	journal = {Trud. bulg. prir. Druzh.  (Travaux de la Soci?t? Bulgare des Sciences Naturelles)Trud. bulg. prir. Druzh.  (Travaux de la Soci?t? Bulgare des Sciences Naturelles)},
	volume = {8},
	year = {1915},
	pages = {151-197},
	keywords = {Thrace, Macedonia},
	author = {Buresch, Iltschew (Iltscheff) I., D.}
}
@article {107,
	title = {Driter Beitrag zur Erforschung der Lepidopterenfauna von Trazien und Mazedonien},
	journal = {Trud. bulg. prir. Druzh.  (Travaux de la Soci?t? Bulgare des Sciences Naturelles)Trud. bulg. prir. Druzh.  (Travaux de la Soci?t? Bulgare des Sciences Naturelles)},
	volume = {9},
	year = {1921},
	pages = {61-86},
	keywords = {Thrace, Macedonia},
	author = {Buresch, Iltschew (Iltscheff) I., D.}
}
