Oregon Agricultural Experiment Station | Special Report 1055 | Oregon State University
Effect Of Pruning Severity On The Annual Growth Of Hybrid Poplar
Shock, C. C., Feibert, E. B. G., & Eaton, J. (2003). "Effect of pruning severity on the annual growth of hybrid poplar." OSU Agricultural Experiment Station - Special Report 1055. pp. 130-135.