?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S&rft.au=Panwar%2C+S&rft.aulast=Panwar&rft.atitle=Performance+evaluation+of+yield+crop+forecasting+models+using+weather+index+regression+analysis&rft.title=Indian+Journal+of+Agricultural+Sciences&rft.issn=0019-5022&rft.date=February+2017&rft.volume=87&rft.pages=270-272&rft.issue=2&rft.genre=article