1. International Standard 14040. Environmental management – Life cycle assessment – Principles and framework;ISO (International Organization for Standardisation),1997
2. International Standard 14042. Environmental management – Life cycle assessment – Life cycle impact assessment;ISO (International Organization for Standardisation),2000
3. Handbook on life cycle assessment. An operational guide to the ISO standards;Guinée,2002
4. Scenario-based environmental assessment of farming systems – the case of pig production in France;Basset-Mens;Agriculture, Ecosystems, and Environment,2005
5. Environmental impact assessment of salmonid feeds using life cycle assessment;Papatryphon;Ambio,2004