?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Eleftherios&rft.aulast=Giovanis&rft.au=Giovanis%2C+Eleftherios&rft.issn=2229-5208&rft.date=March+2011&rft.atitle=Ordinary+Least+Squares+and+Genetic+Algorithms+Optimization+in+Smoothing+Transition+Autoregressive+(STAR)+Models&rft.title=International+Journal+of+Computer+Information+Systems&rft.issue=3&rft.pages=17-23&rft.volume=2&rft.genre=article