1. An inseparable linkage: Conservation of natural ecosystems and the conservation of fossil energy;Bormann;BioScience,1976
2. Energy and Society;Cottrell,1955
3. In the Servitude of Power;Debeir,1991
4. Energy and Resource Quality;Hall,1986
5. Something New Under the Sun: An Environmental History of the Twentieth-Century World;McNeill,1991