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Title: CASSOWARY 20: a Wide Separation Einstein Cross Identified with the X-shooter Spectrograph Authors: Max Pettini (1), Lise Christensen (2), Sandro D'Odorico (2), Vasily Belokurov (1), N. Wyn Evans (1), Paul C. Hewett (1), Sergey Koposov (3), Elena Mason (2), Joel Vernet (2) ((1) Institute...
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