1. Directive 1999/31/EC of 26 April 1999 on the landfill of waste;Off. J. Eur. Commun.,1999
2. Directive 2009/28/EC of the European parliament and of the council of 23 April 2009 on the promotion of the use of energy from renewable sources and amending and subsequently repealing directives 2001/77/EC and 2003/30/EC;Off. J. Eur. Union,2009
3. Second-generation biofuels and local bioenergy systems;Antizar-Ladislao;Biofuel Bioprod. Biorefin.,2008
4. Semi-continuous co-digestion of solid slaughterhouse waste, manure, and fruit and vegetable waste;Alvarez;Renew. Energ.,2008
5. Operational AD Sites;WRAP,2015