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1Published 1980“...IUCN,...”
Book -
2
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3
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4Published 1990“...IUCN,...”
Book -
5Published 1992“...IUCN,...”
Book -
6
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7Published 1978“...IUCN,...”
Book -
8Published 2002“...IUCN,...”
Conference Proceeding Book -
9
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10Published 1996“...IUCN,...”
Book -
11
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12Published 1995“...IUCN,...”
Conference Proceeding Book -
13
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14
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15
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16
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17Published 1997“...IUCN,...”
Conference Proceeding Book -
18Published 1994“...IUCN,...”
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19
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20