Upland black spruce stand development 17 years after cleaning and precommercial thinning. 2005. Fleming, R.L.; Mossa, D.S.; Marek, G.T. The Forestry Chronicle 81: 31-41.
Density management of black spruce on highly productive sites: 9th-year results and implications of precommercial thinning. 1996. Fleming, R.L.; Marek, G. T.; Mossa, D. S. Natural Resources Canada. Canadian Forest Service. Sault Ste. Marie, Ontario. 72 p. NODA File Report 59.