?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=K+B&rft.au=Singh%2C+K+B&rft.aulast=Singh&rft.atitle=Sources+for+Tolerance+to+Cold+in+Cicer+Species&rft.title=Crop+Science&rft.issn=1435-0653&rft.date=1990&rft.volume=30&rft.pages=1136-1138&rft.issue=5&rft.genre=article