Authors: Kopp, RF Abrahamson, LP White, EH Volk, TA Nowak, CA Fillhart, RC

Citation: Rf. Kopp et al., Willow biomass production during ten successive annual harvests, BIO BIOENER, 20(1), 2001, pp. 1-7

Authors: Kopp, RF Smart, LB Maynard, CA Isebrands, JG Tuskan, GA Abrahamson, LP

Citation: Rf. Kopp et al., The development of improved willow clones for eastern North America, FOREST CHRO, 77(2), 2001, pp. 287-292

Authors: Kopp, RF Castello, JD Abrahamson, LP

Citation: Rf. Kopp et al., Viruses in Salix grown for bioenergy, EUR J FORES, 29(2), 1999, pp. 117-122