While that google search does confirm that this is a somewhat popular notion, this paper[1] seems to reject the idea. [1] http://www.sciencedirect.com/science?

While that google search does confirm that this is a somewhat popular notion, this paper[1] seems to reject the idea. [1] http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V5V-45XTXMD-8R&_user=10&_coverDate=09%2F30%2F1989&_alid=1436968978&_rdoc=6&_fmt=high&_orig=search&_cdi=5796&_sort=r&_docanchor=&view=c&_ct=455&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=11a5e5fe9bdc639369e2e5049b8f8b97 http://www.sciencedirect.com/science?_ob=ArticleURL&_udi...