1. Portfolio selection;Markowitz;Journal of Finance,1952
2. Portfolio Selection: Efficient Diversification of Investments;Markowitz,1959
3. Portfolio Selection;Markowitz,1991
4. Efficient Asset Management: A practical Guide to Stock Portfolio Management and Asset Allocation, Financial Management Association Survey and Synthesis;Michaud,1998
5. The effect of errors in means, variance and covariance on optimal portfolio choice;Chopra;Journal of Portfolio Management,1993