6Brad Zigler, ETFs Finish In First Place, At http://www.financial-planning.com/pubs/fp/20020501019.html.
7William J. Bernstein,The ETF vs. Open-End Index Fund Shootout,At http://www.indexfunds.com/articles/20010924_shootout_adv_etf_WB.htm.
8John Spence, Close But Not Quite Perfect: Common Sources of ETF Tracking Error, At http://www. indexfunds.com/articles/20020718_etftracking_iss_etf_JS.htm.
9Joanne Hill, Barbara Mueller and Adam Esposite, "Exchange Traded Fund Global", Unpublished Working Paper, Goldman Sachs Derivatives & Trading Research, May 2001.
10Edwin J. Elton, Martin J. Gruber, George Comer and Kai Li, Spiders: Where are the Bugs?Unpublished Working Paper, Stern School of Business, New York University, May 2OOO.
