Above-ground biomass predicts growth limitation in amabilis fir and western hemlock seedlings. 2003. Mitchell, A.K.; Dunsworth, B.G.; Bown, T.A.; Moran, J.A. The Forestry Chronicle 79(2): 285-290.
Differentiation among effects of nitrogen fertilization treatments on conifer seedlings by foliar reflectance: a comparison of methods. 2000. Moran, J.A.; Mitchell, A.K.; Goodmanson, G.; Stockburger, K.A. Tree Physiology 20: 1113-1120.