3Sjaak Van Loo, Jaap Koppejan. Handbook of biomass combustion and co-firing [ M ]. Twente: Twente University Press, 2002.
4European Commission. White paper: energy for the future-renewable sources of energy, 51997DC0599 [ R]. COM (97) 599 Final.
5Jonas Hoglund. The Swedish fuel pellets industry: production, market and standardization [ R]. Swedish University of Agricultural Sciences, Examarbeten Nr 14, 2008. ISSN 1654-1367.
6PiR (Swedish Association of Pellet Producers). Statistics on pellets in Sweden[ M ]. Stockholm, Sweden,2008.
7Verma V K, Brain S, De Ruyck J. Small scale biomass heating systems: standards, quality labeling and market driving factors--an EU outlook[J]. Biomass & Bioenergy, 2009, 33(10) : 1 393 -1 402.
8Haslingerx W', Friedlx G, Wopienkax E, et al. Small-scale pellet combustion technology: state of the art, recent development, improvementsand challenges for the future[ C]//14th European Biomass Conference, Paris, France, 2005.
9David E, Marie R, Jessica S, et al. Optimization of efficiency and emissions in pellet burners[ J]. Biomass and Bioenergy, 2004, 27(6) : 541 -546.
10Frank Fiedler. The state of the art of small-scale pellet-based heating system and relevant regulations in Sweden, Austria and Germany[ J ]. Renewable &Sustainable Energy Reviews, 2004, 8 (3) : 201-221.