| Avaa | Ryzkov, L.P. Kostylev, Ju. V. Polina, A.V. Valetov, V.A. Ermakov, S.A. Bondarenko, V.A. Kitaev, S.P. Spak, A.D. Ivanov, N.O. Ermolaev, G.J. Harlamov, A.M.
| Fisheries research in the Soviet Zone of Lake Pyhäjärvi | | artikkeli | kalasaaliit, Venäjä | RKTL | Helsinki | 1989 | 10 | | Finnish Fisheries Research | 8, p. 3-12. 1987 | |