Human populations and the world conservation strategy report from the Working Group on Population and Natural Resources of the IUCN Commission on Ecology in cooperation with the International Planned Parenthood Federation
Hanks, John,1943-
Working Group on Population and Natural Resources.
International Planned Parenthood Federation.
[Cambridge] International Union for Conservation of Nature and Natural Resources
1987
Reprinted from: the Environmentalist
Human ecology.
Human beings