?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S&rft.au=Ayoubi%2C+S&rft.aulast=Ayoubi&rft.atitle=Comparing+multivariate+regression+and+artificial+neural+network+to+predict+barley+production+from+soil+characteristics+in+northern+Iran&rft.title=Archives+of+Agronomy+and+Soil+Science&rft.issn=0365-0340&rft.date=2011&rft.volume=57&rft.pages=549-565&rft.issue=5&rft.genre=article