| Avaa | Böhling, P.
Lehtonen H.
Hudd, R.
Karås, P.
Neuman, E.
Thoresson, G.
| Variations in Year-Class Strength of Different Perch (Perca fluviatilis) Populations in the Baltic Sea with Special Reference to Temperature and Pollution | linkki | artikkeli | ahven, happamoituminen, Itämeri, kalakannat, saastuminen | Canadian Journal of Fisheries and Aquatic Sciences | | 1991 | 7 | | Canadian Journal of Fisheries and Aquatic Sciences July 1991 | PP. 1181-1187 | E-kalatutkimus : Ahven (avokotelo 3) |
| Avaa | Hudd, R.
| Assessment of smelt (Osmerus eperlanus (L.)) stock in the Vaasa archipelago, Gulf of Bothnia | | artikkeli | kuore, norssi, Pohjanlahti, saaristot, Vaasa | International Council for the Exploration of the Sea | Helsinki | 1983 | 25 | | International Council for the Exploration of the Sea, C.M. 1983/J : 27 Baltic Fish Committee | | I-Kalatutkimus: Muut: Kuore (avokotelo 1) |
| Avaa | Hudd, R.
Aro, E.
| By-catch of O-group smelt in Isaacs-Kidd mid-water trawl herring catch of the coast of Finland in 1980-82 | | kirja | kuore, rannikkovedet, silakka - haili, Suomi | International Council for the Exploration of the Sea | Helsinki | 1983 | 8 | | International Council for the Exploration of the Sea, C.M. 1983/J : 28 Baltic Fish Committee | | I-Kalatutkimus: Silakka (avokotelo 2) |
| Avaa | Hudd, R.
| Feeding of Baltic herring larvae in the Gulf of Finland | | artikkeli | Itämeri, ruokinta, silakka - haili, Suomenlahti, toukat | International Council for the Exploration of the Sea | | 1980 | 14 | | International Council for the Exploration of the Sea, C.M. 1980/J : 7 Baltic Fish Committee | | I-Kalatutkimus: Silakka (avokotelo 2) |