Author: | Sandlund, O.T., T.F. Naesje, L. Klyke, and T. Lindem. |
Article Title: | The vertical distribution of fish species in Lake Jmose, Norway as shown by gillnet catches and echo sounder. |
Journal Name: | Inst. Freshw. Res., Drottningholm |
Keywords: | Gymnocephalus cernua, ruffe |