Synopsis of families of beetls (Coleoptera) of Ukraine. Part 2. Polyphaga (Staphyliniformia: Hydrophiloidea; Scarabaeiformia: Scarabaeoidea) - A. F. Bartenev; A. G. Shatrovskij; D. V. Vovk (The Kharkov Entomological Society gazette, 1997)