Can any one advise a weblink from where I can read about the work of Mr. HarrY Markovitz the 1990 Nobel Prize?

Can any one advise a weblink from where I can read about the work of Mr. HarrY Markovitz the 1990 Nobel Prize in EconomicsCan any one advise a weblink from where I can read about the work of Mr. HarrY Markovitz the 1990 Nobel Prize?
http://cowles.econ.yale.edu/P/cm/m16/ind鈥?/a> ~ Full text of Harry Markowitz (1959), Portfolio Selection: Efficient Diversification of Investments on the Cowles Foundation website





http://en.wikipedia.org/wiki/Harry_Marko鈥?/a>





http://nobelprize.org/nobel_prizes/econo鈥?/a>