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020 _a300013728
041 _aEN
082 _a332.67
_bMAR
_223
100 _aMarkowitz, Harry M.
245 _aPortfolio Selection: Efficient Diversification of Investments
260 _aLondon
_bYale University Press
_c1959
300 _axiv, 351 p.
509 _aNS
650 _aInvestments
942 _cS