| Avaa | Helminen, Harri Auvinen, Heikki Hirvonen, Arto Sarvala, Jouko Toivonen, Jorma
| Year-Class Fluctuations of Vendace (Coregonus albula) in Lake Pyhäjärvi, Southwest Finland, during 1971-90 | | artikkeli | kalakannat, muikku, Pyhäjärvi (Karjala) | | | 1993 | 8 | | Canadian Journal of Fisheries and Aquatic Sciences vol. 50 | s. 925-931 | I-kalantutkimus : muikku (avokotelo 5) |