To the study the beetles of the families Helophoridae, Hydrochidae, Spercheidae, Hydrophilidae, Hydraenidae, Elmidae, Dryopidae and Heteroceridae (Coleoptera) of the Shatsky National Natural Park - O. H. Shatrovskyi; O. M. Kravchenko (The Kharkov Entomological Society gazette, 2016)