6Kraft J. & Kraft A.. On the Relationship between Energy and GNP [J]. Journal of Energy Development, 1972, (3) : 401 - 403.
7Julian I. Silk & Frederick L.Joutz. Short and Long- Run Elasticities in US Residential Electricity Demand: A Co - Integration Approach [ J]. Energy Economics, 1997, 19 (10): 493-513.
8Alice Shiu, Pun & Lee I.am. Electricity Consumption and Economic Growth in China [ J ]. Energy Policy, 2004, 54, (11): 32-47.
9Rossana Galli. The Relationship between Energy Intensity and Income Levels: Forecasting Long Tenn Energy Demand in Asian Emerging Coantries [J]. Energy Jottmal, 1998, 19 (1): 85-88.
10Kenneth B; Medlock Ⅲ & Ronald Soligo. Economic Development and End- Use Energy Demand [J]. Energy Journal, 2001, 22 (2).