1. Allen, P., 2003. Beef carcass grading in Europe and USA – the prospects for using VIA systems. In: Proceedings of 49th International Congress of Meat Science and Technology. Campinas, Brazil, pp. 96–101.
2. Allen, P., 2005. Evaluating video image analysis (VIA) systems for beef carcass classification. In: Proceedings of the 8th annual Langford Food Industry Conference, vol. 8, pp. 9–11.
3. New methods for grading beef and sheep carcasses;Allen,2007
4. Allen, P., Finnerty, N., 2000. Objective Beef Carcass Classification — A Report of a Trial of Three VIA (Video Image Analysis) Classification Systems. The National Food Centre, Teagasc and Department of Agriculture, Food and Rural Development, Dublin, pp. 1–34.
5. Allen, P., Finnerty, N., 2001. Mechanical grading of beef carcasses. Teagasc, 19 Sandymount Avenue Ballsbridge Dublin 4, 1--28.