| Avaa | King, Willis toim.
| Wild trout 1, Management : proceedings of the Wild trout management symposium at Yellowstone National Park September 25-26, 1974 | | kirja | kokoukset, konferenssit, lohi - salmo salar | Trout Unlimited, Inc. | Denver, Colorado | 1975 | 103 | | | Sponsored by Trout Unlimited, ... | I-Tutkimus |