Nilsson, A.N., Minakawa, N. and Oberg, P.B.H. (1997) “The diving beetles of the Kuril Archipelago in the Far East of Russia (Coleoptera: Dytiscidae)”., Contributions to Entomology = Beiträge zur Entomologie, 47(2), pp. 365–376. doi:10.21248/contrib.entomol.47.2.365-376.