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1Published 1980“...University Microfilms International,...”
Conference Proceeding Book -
2Published 1985“...Helsinki University Press,...”
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3Published 1974“...University Press of Virginia,...”
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4Published 1970“...Washington State University,...”
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5Published 1991“...Cambridge University Press,...”
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6Published 1968“...University of Maine Press,...”
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7
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8Published 1991“...School of Forestry, University of Canterbury,...”
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9Published 1979“...University of Washington, College of Forest Resources,...”
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10Published 1980“...Oregon State University. School of Forestry,...”
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11Published 1979“...University of Washington, College of Forest Resources,...”
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12Published 1987“...University of Washington, College of Forest Resources,...”
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13Published 1990“...Faculty of Forestry, University of British Columbia,...”
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14Published 1981“...Yale University School of Forestry and Environmental studies,...”
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15Published 1980“...Cooperative Extension Service, Washington State University,...”
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16Published 1981“...Purdue University, Department of Forestry and Natural Resources,...”
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17Published 1975“...Washington State University Cooperative Extension Service,...”
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18Published 1985“...Development Studies Centre, Australian National University,...”
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19Published 1990“...Desert Development Center, American University in Cairo,...”
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20Published 1992“...Fertilizer & Lime Research Centre, Massey University,...”
Book