1. Food Policy. Official Reporthttp://www.scottish.parliament.uk/business/officialreports/meetingsparliament/or-07/sor1107-02.htm
2. Choosing the Right Ingredients—the Future for Food in Scotland,2008
3. Recipe for Success—Scotland's National Food and Drink Policy,2009
4. Maximising sustainability of Dutch dairy farming systems for different stakeholders: A modelling approach;Van Calker;Ecolog. Econ.,2007
5. Development and application of a multi-attribute sustainability function for Dutch dairy farming systems;Van Calker;Ecolog. Econ.,2006