7" Recession Started (n December 2007: Panel" [ N]. Reuters/MSNBC, Dec. 1, 2008. 被引量：1
8Frederick, S. , The instability of free trade [ C ] //in George Modelski( ed. ) Exploring Long Cycles. Boulder, Colo: LynneRi-enner, 1987. 被引量：1
9Gamberoni, E. and R. Newfarmer. Trade Protection: Incipient but Worrisome Trends[ R]. Trade Notes, No. 37, The World Bank, 2009. 被引量：1
10Tansey M, Sudhakar Raju, Michael Stellern, Price controls, trade protectionism and political business cycles in the U. S. steel industry[ J]. Journal of Policy Modeling, 2005, 27 : 1097 - 1109. 被引量：1
