//-->
Pollution, resources, and the environment : [an introduction to a current issue of public policy]
Enthoven, Alain C., (1973)
Environmental improvement through economic incentives
Kneese, Allen V., (1977)
Environmental Science
Turk, J., (1984)
Evidence for the role of energy resources in producing long waves in the United States economy
Watt, Kenneth E. F., (1989)
Understanding the environment
Watt, Kenneth E. F., (1982)
Ecology and resource management : a quantitative approach
Watt, Kenneth E. F., (1968)