8Kraft J, Kraft A. On the Relationship between Energy and GDP [J]. Journal of Energy and Development, 1978, (3).
9Willey Z, Chameides B. Harnessing farms and forests in the low- carbon economy: how to create, measure, and verify greenhouse gas offsets [M]. Durham: Duke University Press, 2007.
10Foxon T J, Kohler J, Oughton C. Innovation for a low carbon economy: economic, institutional and management approaches [M]. London: Edward Elgar Publishing, 2008.
