?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J+M&rft.au=Ribaut+%2C+J+M&rft.aulast=Ribaut+&rft.atitle=Simulation+Experiments+on+Efficiencies+of+Gene+Introgression+by+Backcrossing&rft.title=Crop+Science&rft.issn=0011-183X&rft.date=2002&rft.volume=42&rft.pages=557-565&rft.issue=2&rft.genre=article