Three dimensional forestry in Papua New Guinea /
Davidson, John.
Three dimensional forestry in Papua New Guinea / John Davidson. - [Lae : Papua New Guinea University of Technology], 1976. - 18 p. : ill.
Paper prepared for the Third Meeting of the Botanical Society of Papua New Guinea, University of Technology, Lae, 1 May 1976.
Forests and forestry--Papua New Guinea.
Agroforestry--Papua New Guinea.
Three dimensional forestry in Papua New Guinea / John Davidson. - [Lae : Papua New Guinea University of Technology], 1976. - 18 p. : ill.
Paper prepared for the Third Meeting of the Botanical Society of Papua New Guinea, University of Technology, Lae, 1 May 1976.
Forests and forestry--Papua New Guinea.
Agroforestry--Papua New Guinea.