MLA

Hann, David W, et al. Equations for Predicting Height-to-crown-base, 5-year Diameter-growth Rate, 5-year Height-growth Rate, 5-year Mortality Rate, and Maximum Size-density Trajectory for Douglas-fir and Western Hemlock In the Coastal Region of the Pacific Northwest. : Corvallis, Or. : Oregon State University, College of Forestry, Forest Research Laboratory, 2003.