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1Published 1990“...The Foundation,...”
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3
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4
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5
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8Published 1979“...The Foundation],...”
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9Published 2000“...The Foundation,...”
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10Published 1998“...Tropenbos Foundation,...”
Book -
11
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12
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13
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14
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15Published 1988“...National Science Foundation,...”
Conference Proceeding Book -
16Published 1996“...International Foundation for Science,...”
Book -
17
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18Published 1994“...[National Science Foundation?,...”
Conference Proceeding Book -
19Published 1985“...National Science Foundation,...”
Book -
20Published 1987“...National Science Foundation,...”
Government Document Book