1. Intra and inter country energy intensity trends;Ramachandra;International Journal of Energy and Development,2006
2. Ecologically Sound Integrated Regional Energy Planning;Ramachandra,2003
3. Estimating the cost of mitigating greenhouse gases;Hourcade,1993
4. The cost of limiting fossil-fuel CO2 emissions: a survey and analysis;Grubb;Annual Review of Energy and the Environment,1993
5. Energy models for planning and policy assessment;Rath;European Journal of Operational Research,1981