Szumiec, A. (2009). RELATIONSHIP BETWEEN PURCHASE PRICES OF LIVE CATTLE AND RETAIL PRICES OF BEEF PRODUCTS AND CUTS IN POLAND AND SOME EU COUNTRIES DURING 2004-2007. Journal of Agribusiness and Rural Development, 12(2), 241-248. Retrieved from http://www1.up.poznan.pl/jard/index.php/jard/article/view/815