Blake, M.D.
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Production de semences forestières. 1986. Owens, J.N.; Blake, M.D. Service canadien des forêts, Institut forestier national de Petawawa, Chalk River (Ontario). Rapport d'information PI-X-53F. 216 p.
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Forest tree seed production. 1985. Owens, J.N.; Blake, M.D. Canadian Forestry Service, Petawawa National Forestry Institute, Chalk River, Ontario. Information Report PI-X-53. 161 p.
