1. Crop specific protocol for potatoes;Assured Produce Ltd,2004
2. BPC Annual Balance Sheet of Potato Supplies and Disposals 1988-2004;British,2004
3. Total potato plantings for Great Britain in 2005 (a number of previous editions were consulted);British,2005
4. The CIAA Acrylamide “Toolbox”;Confederation,2005
5. Potato Chips: Global Industry Guide;Datamonitor,2004