1. Sample-dependent results using accounting and market data: Some evidence;Banz;Journal of Finance,1986
2. BlankFein, L. C. (2010). Prepared remarks by Lloyd C. Blankfein, Chairman and Chief Executive Officer, The Goldman Sachs Group, Inc. Retrieved from http://www2.goldmansachs.com/our-firm/on-the-issues/psi-folder/psi.html. (accessed 25/10/2010).
3. Stock returns and dividend yields: Some more evidence;Blume;Review of Economics and Statistics,1980
4. A training algorithm for optimal margin classifiers;Boser,1992
5. A tutorial on support vector machines for pattern recognition;Burges;Data Mining and Knowledge Discovery,1998