We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAn asteroid breakup 160 Myr ago as the probable source of the K/T impactor.AuthorsBottke WF; Vokrouhlický D; Nesvorný DPublicationNature, 2007, Vol 449, Issue 7158, p48ISSN1476-4687Publication typearticleDOI10.1038/nature06070