@article {50594,
	title = {R{\'e}sultats scientifiques de l{\textquoteright}Exp{\'e}dition des fr{\`e}res Kusnecov (Kouznetzov) {\`a} l{\textquoteright}Oural arctique en 1909, sous la direction de H . Backlund. Livr. 7 (Diptera).},
	journal = {Zap. imp. Akad. Nauk (VIII) cl. phys.-math.},
	volume = {28},
	year = {1915},
	pages = {1-67},
	author = {Becker, Th. and Dziedzicki, H. and Schnabl, J . and Villeneuve, J .}
}
@article {21679,
	title = {Aegiptische Dipteren},
	journal = {Mitteilungen aus dem Zoologischen Museum in Berlin},
	volume = {2},
	year = {1903},
	note = {check journal!},
	pages = {1-66, 67-195},
	author = {Becker, Th.}
}
@article {21680,
	title = {Die Ergebnisse meiner Dipterologischen Fr{\"u}hjarsreise nach Algier und Tunis 1906},
	journal = {Zeitschrift f{\"u}r Systematische Hymenopterologie und Dipterologie},
	volume = {7},
	year = {1907},
	note = {check journal!! ZR 1907},
	month = {1907},
	pages = {33-61, 97-128, 225-256, },
	author = {Becker, Th.}
}
@article {21681,
	title = {Dipteren der Insel Madeira},
	journal = {Mitteilungen aus dem Zoologischen Museum in Berlin},
	volume = {4},
	year = {1908},
	month = {02/1908},
	pages = {181-206, pl. 4},
	chapter = {181},
	author = {Becker, Th.}
}
