Bonnell, Jerry T.Marani, Gabriela F.Nemiroff, Robert J.Norris, Jay P.2004-12-102004-12-1020012001http://hdl.handle.net/2003/1816110.17877/DE290R-12104enThe American Physical SocietyPhysical Review Letters530Limits on the Cosmological Abundance of Supermassive Compact Objects from a Millilensing Search in Gamma-Ray Burst Data10.1103/PhysRevLett.86.580article (journal)