1. National Non Food Crops Centre (NNFCC) Newsletter Issue 10 http://www.nnfcc.co.uk/publications/nnfcc-newsletter-issue-10-biofuels-update-the-uk-biofuel-supply-chain-in-2008
2. Home Grown Cereals Authority (HGCA) Project Progress 14/Summer 2006, Updated May 2007 http://www.hgca.com/document.aspx?fn = load&media_id = 2881&publicationId = 3416
3. Bullard M Martin D Van den Broek R Tijmensen M Bradshaw C Garstang J et al http://www.eastofengland observatory.org.uk/observatory/reports/environment/Bioethanol FinalReportJune2003.pdf
4. Turley DB Boatman ND Ceddia G Barker D Watola G http://www.defra.gov.uk/farm/crops/ industrial/research/reports/biofuels_prospects.pdf