//-->
New energy conservation technologies and their commercialization : proceedings
Millhone, John P., (1981)
Emerging global energy security risks
(2007)
Zwei Jahrzehnte Privatisierung in deutschenKommunen – Herausforderungen undArgumente für den Erhalt der Stadtwerke
Gerstlberger, Wolfgang, (2009)
Ecological pricing and economic efficiency
Hannon, Bruce M., (2001)
The use of analogy in biology and economics : from biology to economics, and back
Hannon, Bruce M., (1997)
Bottles, cans, and energy use
Hannon, Bruce M., (1975)