Farm input, farm output, and food retail prices: A cointegration analysis / Bruno Larue. -- Guelph : University of Guelph, 1991. -- 18 s. : 6 tab. Res. angl., franc. -- (Working Papers Series 91/12. Department of Agric. econ. and business). ceny poľnohospodárske * náklady výrobné * analýza výroby