6Regattieri A, Gamberi M, Manzini R. Traceability of Food Products : General Framework and Experimental Evidence[J]. Journal of Food Engineering, 2007, 81 (2) :347 - 356.
7van Rijswijk W, Frewer L J, Menozzi D, et al. Consumer Percep- tions of Traceability : A Cross national Comparison of the Associated Benefits[ J]. Food Quality and Preference, 2008, 19 (5) : 452 - 464.
8Monjardino de Souza Monteiro D, Caswell J. The Eeonomies of Implementing Traceability in Beef Supply Chains: Trends in Major Producing and Trading Countries [ J ]. University of Massachusetts, Amherst Working Paper, 2004.
9Golan E H, Krissoff B, Kuchler F, et al. Traceability in the US Food Supply: Economic Theory and Industry Studies[M]. US Department of Agriculture, Economic Research Service, 2004.
10Angulo A M, Gil J M. Risk Perception and Consumer Willingness to Pay for Certified Beef in Spain [ J ]. Food Quality and Preference, 2007, 18(8) :1106 -1117.
