Here is the link to that article in a sports psychology publication. http://www.google.com/url?sa=X&q=http://sandiegosportspsychology.com/2010/01/27/venus-vs-serena-williams/&ct=ga&cd=Zz2fbM5tW5s&usg=AFQjCNG5_JCwasHCdnOjZ_upDPxNcqwESQ
