8Balassa, 1966. "Tariff Reductions and Trade in Manufacturers among the Industrial Countries. " The American Economic Review, Vol. 3, pp. 466 - 473.
9Brulhart, M. , 2002." Marginal Intra- industry Trade: Towards a Measure of Non- disruptive Trade Expansion," in P. J. Lloyd and Hyun- Hoon Lee,eds. , Frontiers of Research on Intra- Industry Trade. London : MaCmillan, pp. 65 -91.
10Brulhart, M. ,2000. "Dynamics of Intra - Industry Trade and Labour Market Adjustment. "Review of International Economics, Vol. 8, pp. 420 - 435.