1. “Cookstoves for the developing world”;Kammen;Scientific American,1995
2. “Biomass stoves”;Baldwin,1987
3. Many papers in Boiling Point, Intermediate Technology Development Group (ITDG), Myson House, Railway Terrace, Rugby, CV2l 3HT, UK (Tel +44 788 560631) or the German Assocation for Technical Cooperation (GATT).
4. Many papers in publications of Stockholm Environment Institute, SEI, Box 2142, S-103 14 Stockholm, Sweden
5. Wood Heat for Cooking,1983