?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Luis&rft.aulast=Gomez+Fernandez&rft.au=Gomez+Fernandez%2C+Luis&rft.issn=0027-8424&rft.issue=9&rft.volume=86&rft.title=Proceedings+of+the+National+Academy+of+Sciences%2C+USA&rft.pages=3242-3246&rft.date=May+1989&rft.atitle=Wheat+tetrameric+inhibitors+of+insect+alpha-amylases%3A+Alloploid+heterosis+at+the+molecular+level.&rft.genre=article