Relative density and growth of eleven Norway spruce provenances in central New Brunswick. 1996. Bujold, S.J.; Simpson, J.D.; Beukeveld, J.H.J.; Schneider, M.H. Northern Journal of Applied Forestry 13: 124-128.
Yield and wood properties of 25-year-old Japanese larch of different provenance in eastern Canada. 1988. Fowler, D.P.; Simpson, J.D.; Park, Y.S.; Schneider, M.H. The Forestry Chronicle 64: 475-479.
Geographic variation in specific gravity among Japanese larch from different provenances. 1982. Loo, J.A.; Fowler, D.P.; Schneider, M.H. Wood and Fiber 14: 281-286.