Webb, L. J. (1977). 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. Office of Environment and Conservation, Department of Natural Resources, Papua New Guinea.
Chicago-Zitierstil (17. Ausg.)Webb, Leonard J. 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. [s.l.]: Office of Environment and Conservation, Department of Natural Resources, Papua New Guinea, 1977.
MLA-Zitierstil (8. Ausg.)Webb, Leonard J. 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. Office of Environment and Conservation, Department of Natural Resources, Papua New Guinea, 1977.