5Charles A.Goldman,Nicole C.Hopper and Julie G.Osborn.Review of US ESCO industry market trends:an empirical analysis of project data[J].Energy Policy.Volume33,Issue3,February 2005:387-405.
6Paolo Bertoldia,Silvia Rezessyb,Edward Vinec.Energy service companies in European countries:Current status and a strategy to foster their development[J].Energy Policy,Volume34,Issue14,September 2006:1818-1832.
7Tyndall Centre Technical Report No.37.The contribution of energy service contracting to a low carbon econom[yR].November 2005.
