References

Barbour, Ian. 1993. Ethics in an Age of Technology. The Gifford Lectures 1989–1991, Vol. Two. San Francisco : HarperCollins.

Hirsch, Fred. 1977. Social Limits to Growth. London : Routledge and Kegan Paul.

Meadows, Donella H., Dennis L.Meadows, JørgenRanders, and William W.BehrensIII. 1972. The Limits to Growth. New York : Universe.