Title: Biblio RTF Export
Author: Biblio 7.x

A. V.  Barkalov and Mutin, V. A., ?Revision of hover-flies of the genus Blera Billberg, 1820 (Diptera, Syrphidae). 1?, Entomologicheskoe Obozrenie, vol. 70, pp. 204-213, 1991.