(8452) RUSSEV, B. & I. JENEVA, 1975. Hidrofaunistichni prouchvaniya na nyakoi rodopski vodoemi. — Hydrofaunistische Erforschungen einiger rhodopischer Gewasser. In: La faune des Rhodopes. Materiaux, pp. 11 -39, Acad. Bulg. Sci., Sofia. (Bulg., with Russ. & Germ.s’s). — (Author's addresses not stated). Lists 6 identified odon. spp. from 9 localities in the Rhodope Mts area, Bulgaria.