Common forest trees of Papua New Guinea /
Johns, Robert J.
Common forest trees of Papua New Guinea / by Robert J. Johns. - Bulolo : Forestry College, 1976. - v. : ill. - Training manual v.8 .
In twelve (12) parts.
Angiosperms.
Trees--Papua New Guinea.
Common forest trees of Papua New Guinea / by Robert J. Johns. - Bulolo : Forestry College, 1976. - v. : ill. - Training manual v.8 .
In twelve (12) parts.
Angiosperms.
Trees--Papua New Guinea.