"An Asteroid Breakup 160 My Ago as the Probable Source of the K-T Impactor" . "Byly vy\u0159azeny v\u0161echny v\u00FDskyty v\u00FDsledku." . . . . . "1.0"^^ . . . "20B2BEC3D13C32EA0B57BF4CDFC99D27C3F28982" . "0.0"^^ . . "RIV/00216208:11320/08:00101119!RIV09-MSM-11320___" . . "0.0"^^ . . "Division of Dynamical Astronomy Meeting" . . . "http://www.isvav.cz/h10/resultDetail.do?rowId=RIV%2F00216208%3A11320%2F08%3A00101119!RIV09-MSM-11320___"^^ .