1. 1999/31/EC. Council directive of 26 April 1999 on the landfill of waste. OJEC No. 182, 16 July 1999.
2. Ajanko Sirke, Moilanen Antero, Juvonen Juhani, 2005. The effect of wastes’ source separation system and handling technique on the quality of solid recovered fuel. Technical Research Centre of Finland. Espoo, 83 p. + app. 21 p. VTT Research Notes 2317. ISBN 951-38-6753-6, ISSN 1235-0605. In Finnish.
3. Alakangas Eija, 2000. Properties of fuels used in Finland. Technical Research Centre of Finland. Espoo, 172 p. + app. 17 p. VTT Research Notes 2045. ISBN 951-38-5699-2, ISSN 1235-0605. In Finnish.
4. TS 15440 Solid Recovered Fuels – Method for the Determination of Biomass Content;CEN,2006
5. Change in MSW characteristics under recent management strategies in Taiwan;Chang;Waste Management,2008