?url_ver=Z39.88-2004&rft_id=10.1021%2Fja802906k&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Walczak%2C+MAA&rft.aulast=Walczak&rft.aufirst=MAA&rft.issue=22&rft.volume=130&rft.date=4+June+2008&rft.issn=0002-7863&rft.atitle=Rhodium(I)-catalyzed+cycloisomerizations+of+bicyclobutanes&rft.title=Journal+of+the+American+Chemical+Society&rft.pages=6924+-+6925&rft.genre=article