Proceedings of the 1986 International Congress on Renewable Energy Sources. Conventional cooking energy conservation through solar cooker. International Congress on Renewable Energy Sources [18-23 Mayo 1986, Madrid]. Consejo Superior de Investigaciones Científicas.; George, Rachel.; |
Proceedings of the 1986 International Congress on Renewable Energy Sources. Traditional and improved cookstoves. International Congress on Renewable Energy Sources [18-23 Mayo 1986, Madrid]. George, Rachel.; Consejo Superior de Investigaciones Científicas.; |