| Type |  Book |
| ชื่อเรื่อง | Ecology and management of the spotted owl in the Pacific Northwest : Arcata, California, June 19-23, 1984 / Ralph J. Gutierrez and Andrew B. Carey, technical editors ; sponsored by Cooper Ornithological Society ... [et al.] |
| พิมพลักษณ์ | Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, [1985] |
| รูปเล่ม | 119 p. : ill |
| หัวเรื่อง | Ecology --Pacific States [] |
| | Spotted owl --Ecology [] |