1Balassa, B., 1986, "The Determinants of Intra- Industry Specialization in United States Trade," Oxford Economic Review, Vol. (38).
2Beckerman, W., 1956, " Distance and the Pattern of Intra - European Trade," The Review of Economics and Statistics, Vol. (38).
3Caves, R.E., 1981, "Intra- Industry Trade and Market Structure in Industrial Countries," Oxford Economic Papers, Vol. (33).
4Finger, J.M. and M.E. Kreinin., 1979, "A Measure of Export Similarity and Its Possible Uses,"The Economic Journal, 89.
5Grubel, H.G. and P. J. Lloyd , 1975, Intra - Industry Trade: The Theory and Measurement of International Trade in Differentiated Products, Macmillan, pp112- 189.
6GLick, Reuven and K. Rose. Andrew, 1998, " Contagion and Trade : Why Are Currency Crises Regional?" NBER Working Paper, 6806.
7Helpman, Elhanan and Paul R Krugman., 1985, Market Structure and Foreign Trade, Cambridge, MA: MIT Press, pp.215 - 256.
8ITC, 1998, Foreign Trade Statistics: A Gulde for Their Use in Market Research, UN/WTO.
9Linder, S.B., 1961, An Essay On Trade and Transformation, John Wiley, pp.78- 119.
10Singer, H.W., 1950, "The Distribution of Gains Between Investing and Borrowing Countries," American Economic Review, pp.477.