Ecological considerations and safeguards in the modern use of tropical lowland rain forests as a source of pulpwood : example, the Madang Area P.N.G. /
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| 企业作者: | , |
| 格式: | 图书 |
| 语言: | English |
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[s.l.] :
Office of Environment and Conservation, Department of Natural Resources, Papua New Guinea,
1977.
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