7Batra, Ravi. "The Myth of Tree Trade", New York:Charles Scribner's Sons, 1993.
8Krugman, Paul R. "Technology, trade and factorprices", Journal of International Economics, 50 (51-71),2000.
9Lardy, N.icholas R. "Integrating China into the global economy", Brookings Institution, Washington, 2002.
10Lawrence, Robert Z. and Matthew J. Slaughter. "International trade and American wages in the 1980s: giant sucking sound or small hiccup", Brookings Papers on Economic Activity, 2, pp.161-226, 1993.