Mitchell, Kenneth J. Simulation of the growth of even-age stands of white spruce - New Haven : Yale University. School of Forestry, 1969 - 48 p. : ilus. ; gráfs - Bulletin ; 75 . - Bulletin ; 75 . LCCN: 38477 Subjects--Topical Terms: Abeto--Crecimiento.Picea glauca.