Redirecting you to http://www.sciencedirect.com.lp.hscl.ufl.edu/science?_ob=RedirectURL&_method=outwardLink&_partnerName=655&_originPage=article&_zone=art_page&_targetURL=http%3A%2F%2Fwww.scopus.com%2Finward%2Frecord.url%3Feid%3D2-s2.0-0037815065%26partnerID%3D10%26rel%3DR3.0.0%26md5%3D5cf984827675da1305f6e1efc99a3dde&_acct=C000054276&_version=1&_userid=2139813&md5=179442cd39b84044ddc2be0356d9395c