Tomas Eklund Barbro Back Hannu Vanharanta Ari Visa Using the self-organizing map as a visualization tool in financial benchmarking. 171-181 2003 2 Information Visualization 3 http://www.palgrave-journals.com/cgi-taf/DynaPage.taf?file=/ivs/journal/v2/n3/abs/9500048a.html db/journals/ivs/ivs2.html#EklundBVV03