Flashlights: Properties of Highly Magnified Images Near Cluster Critical Curves in the Presence of Dark Matter Subhalos oleh Liliya L. R. Williams, Patrick L. Kelly, Tommaso Treu, Alfred Amruth, Jose M. Diego, Sung Kei Li, Ashish K. Meena, Adi Zitrin, Thomas J. Broadhurst, Alexei V. Filippenko