1. Directive 2003/30/EC of the European Parliament and of the Council;European Parliament and the Council of the European Union;Official J. EU,2003
2. Directive 2009/30/EC of the European Parliament and of the Council;European Parliament and the Council of the European Union;Official J. EU,2009
3. Crabbe , E. Ishizaki , A. 2004 Biodiesel production and application Concise Encyclopedia of Bioresource Technology 475 481