Brown, Lester R.
The twenty ninth day : accommodating human needs and numbers to the earth's resources - 1978 W.W. Norton
ENVIRONMENTAL POLICY
POPULATION POLICY
NATURAL RESOURCES
HUMAN ECOLOGY
ECOLOGY
The twenty ninth day : accommodating human needs and numbers to the earth's resources - 1978 W.W. Norton
ENVIRONMENTAL POLICY
POPULATION POLICY
NATURAL RESOURCES
HUMAN ECOLOGY
ECOLOGY