?url_ver=Z39.88-2004&rft_id=10.1021%2Fom070181e&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Normand%2C+AT&rft.aulast=Normand&rft.aufirst=AT&rft.issue=22&rft.volume=26&rft.date=2007&rft.issn=0276-7333&rft.atitle=Atom-efficient+catalytic+coupling+of+imidazolium+salts+with+ethylene+involving+Ni-NHC+complexes+as+intermediates%3A+a+combined+experimental+and+DFT+study&rft.title=Organometallics&rft.pages=5252-5363&rft.genre=article