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1de réir Dunfield, J. D.“...Canadian Forestry Service, Department of the Environment,...”
Foilsithe / Cruthaithe 1974
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2de réir Howell, A. R.“...Canadian Forestry Service, Department of Environment,...”
Foilsithe / Cruthaithe 1974
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3de réir Heger, L.“...Canadian Forestry Service, Department of the Environment,...”
Foilsithe / Cruthaithe 1972
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4de réir Drolet, J. C.“...Canadian Forestry Service, Department of the Environment,...”
Foilsithe / Cruthaithe 1973
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5de réir Murchison, H. Gary“...Canadian Forestry Service, Department of the Environment,...”
Foilsithe / Cruthaithe 1973
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6de réir Reif, Z. F.“...Canadian Forestry Service, Department of the Environment,...”
Foilsithe / Cruthaithe 1973
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7de réir Drolet, J. C.“...Canadian Forestry Service, Department of Environment,...”
Foilsithe / Cruthaithe 1973
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8de réir Nagle, George S.“...Department of Environment, Canadian Forestry Service, Pacific Forest Research Centre,...”
Foilsithe / Cruthaithe 1980
LEABHAR