Ackerman, F.
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A new germination box for tree seed testing. 1983. Wang, B.S.P.; Ackerman, F. Environment Canada, Canadian Forestry Service, Petawawa National Forestry Institute, Chalk River, Ontario. PNFI Information Report PI-X 27. 15 p.
A new germination box for tree seed testing. 1983. Wang, B.S.P.; Ackerman, F. Environment Canada, Canadian Forestry Service, Petawawa National Forestry Institute, Chalk River, Ontario. PNFI Information Report PI-X 27. 15 p.