| Type |  Book |
| ชื่อเรื่อง | Density management in the 21st century : west side story : proceedings of the Density Management Workshop, 4-6 October 2011, Corvalllis, Oregon / Paul D. Anderson and Kathryn L. Ronnenberg |
| พิมพลักษณ์ | Portland, Or. : U.S. Dept. of Agriculture Forest Service, Parcific Northwest Research Station, 2013 |
| รูปเล่ม | 241 p. : ill. (some col.), maps (some col.) ; 28 cm |
| หัวเรื่อง | Forest thinning --Northwest, Pacific --Congresses [] |
| | Forests and forestry --Northwest, Pacific --Growth --Congresses [] |
| | Forests and forestry --Northwest, Pacific --Spacing --Congresses [] |