?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A&rft.au=Ambrosetti%2C+A&rft.aulast=Ambrosetti&rft.issn=1948-7185&rft.title=Journal+of+Physical+Chemistry+Letters&rft.pages=849+-+855&rft.date=6+March+2014&rft.issue=5&rft.atitle=Hard+Numbers+for+Large+Molecules%3A+Toward+Exact+Energetics+for+Supramolecular+Systems&rft.volume=5&rft.genre=article