?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S+K&rft.au=Gupta%2C+S+K&rft.aulast=Gupta&rft.atitle=Identifying+Mega-Environments+and+Essential+Test+Locations+for+Pearl+Millet+Cultivar+Selection+in+India&rft.title=Crop+Science&rft.issn=1435-0653&rft.date=2013&rft.volume=53&rft.pages=2444-2453&rft.issue=6&rft.genre=article