1. Energy access problem of the poor in India: is rural electrification a remedy?;Bhattacharyya;Energy Policy,2006
2. Bioenergy India, A quarterly magazine on biomass energy, published under the UNDP-GEF biomass power project of Ministry of New and Renewable Energy (MNRE), government of India. Published by Winrock International India (WII), issue 3 37-38, 2010. Website browsed on 19 May 2017 (http://www.undp.org.in/sites/default/files/reports_publication.
3. Access to Clean Energy, A glimpse of off grid projects in India, Prepared by Winrock International India (WII), available at: http://www.undp.org/content/dam/india/docs/access_to_clean_energy.pdf.
4. Small Scale Gas Producer Engine Systems;Kaupp,1984
5. Tar and Particulate Matter Assessment and Control in Biomass Thermo Chemical Gasification Systems;Selvakumar,2010