1. Renewable Energy Directive 2009/28/EC, Official Journal of the European Communities L140, 5.6.2009, pp 88–113
2. Fuel Quality Directive 2009/30/EC, Official Journal of the European Communities L140, 5.6.2009, pp 16–62
3. White Paper on International compatible Biofuel Standards, Tripartite Task Force. European Union, United States of America and Brazil, 31 December 2007. http://ec.europa.eu/energy/res/biofuels_standards/doc/white_paper_icbs_final.pdf
4. BIOREMA, REference MAterials for BIOfuel specifications, FP7 theme 5 Energy, Coordination and Support Actions, (FP7 contract grant 219081)
5. Ulberth-Buchgraber M, Potalivo M, Held A, Baldan A, Van der Veen AMH, Ent H, Cunha VS, Daroda RJ, Lang B, Schantz M, Hearn R, Brown RJC, Brewer PJ. The BIOREMA project—part 2: International interlaboratory comparison for biodiesel test methods. Accred Qual Assur. doi: 10.1007/s00769-012-947-6 (this issue)