6Calvin L, Krissoff B. Technical barriers to trade: a case study of phytosanitary barriers and US-Japanese apple trade [J ]. Journal of Agricultural and Resource Economics, 1998,23 (2) :351 - 356.
7Bureau J C, Marette S, Schiavina A. Non-tariff trade barriers and consumers' information: the case of the EU-US trade dispute over beef [ J ]. European Review of Agricultural Economics, 1998,25 (4) : 437 - 462.
8Yue C Y, Beghin J, Jensen H H. Tariff equivalent of technical barriers to trade with imperfect substitution and trade costs [J]. American Journal of Agricultural Economics, 2006,88 (4) :947 - 960.
9Lupien J R. The precautionary principle and other non-tariff barriers to free and fair international food trade[J]. Critical Reviews in Food Science and Nutrition, 2002,42 (4) : 403 - 415.
10Calvin L, Krissoff B, Foster W. Measuring the costs and trade effects of phytosanitary protocols: a US-Japanese apple example[J]. Review of Agriculture Economics, 2008, 30 (1):120- 135.