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4Karl V. Lins, Deon Strickland & Marc Zenner, "Do non-U. S. firms issue equity on U. S. stock exchanges to relax capital constraints?" December; 2000.
5Paul B. Pieper & Robert C. Vogel, "Stock market integration in Latin America", consulting assistance for economic reform paper, directed by Harvard Institute for International Development (HIID), october 1997.
6London Stock Exchange, "Listing depositary receipts-the summary of the UK listing authority", April 2000.
