DeMars, D. J., Herman, F. R., & Pacific Northwest Research Station. (1987). Estimates of site index and height growth for Douglas-fir in high-elevation forests of the Oregon-Washington Cascade Range: Curves and tables for field application. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station.
Chicago Style (17th ed.) CitationDeMars, Donald J., Francis R. Herman, and Pacific Northwest Research Station. Estimates of Site Index and Height Growth for Douglas-fir in High-elevation Forests of the Oregon-Washington Cascade Range: Curves and Tables for Field Application. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1987.
MLA (8th ed.) CitationDeMars, Donald J., et al. Estimates of Site Index and Height Growth for Douglas-fir in High-elevation Forests of the Oregon-Washington Cascade Range: Curves and Tables for Field Application. U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1987.