| Avaa | Urho, Lauri
| Habitat shifts of perch larvae as survival strategy | linkki | artikkeli | ahven, elinympäristö - habitaatti | Finnish Zoological and Botanical Publishing Board | Helsinki | 1996 | 12 | 003-455X | Annales Zoologici Fennici Vol. 33, No. 3/4 | | I-Kalatutkimus: Ahven (avokotelo 1) |