1. Austrian Biofuels Institute, Biodiesel—A Success Story, Report of the International Energy Agency, Vienna, February 2002.
2. The future of glycerol: new uses of a versatile raw material;Pagliaro,2008
3. B. Casale, A.M. Gomez, US Patent 5,276,151 (1994).
4. Aqueous polyol conversions on ruthenium and on sulfur-modified ruthenium