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Hi, I was trying to find the following works. Does anyone have a pdf copy of them?

Du Merle, P. (1975) Les hótes et les stades pré-imaginaux des Diptères Bombyliidae: revue bibliographique annotée. Bulletin SROP, 1975/4: 289 pp.

Hůrka K. 1964: Distribution, bionomy and ecology of the European bat flies with special regard to the Czechoslovak fauna (Dip., Nycteribiidae). Acta Universitatis Carolinae, Biologica 1964: 167-234.

Hůrka K. 1984: New taxa and records of Palaearctic Nycteribiidae and Streblidae (Diptera: Pupipara). Věstník Československé zoologické společnosti 48: 90-101.

Thank you