Entry, J.A., Emmingham, W.H. 1998. Influence of forest age on forms of carbon in Douglas-fir soils in the Oregon Coast Range. Can. J. For. Res. 28:390-395.
Entry, J.A., Emmingham, W.H. 1998. Influence of forest age on forms of carbon in Douglas-fir soils in the Oregon Coast Range. Can. J. For. Res. 28:390-395.