70 citations · 140 across the 8 of their papers we have counts for
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Jeffrey A. Blackburne, Lutz Wisotzki, Paul L. Schechter
The Hamburg/ESO quasar HE 1113-0641 is found to be a quadruple gravitational lens, based on observations with the twin 6.5m Magellan telescopes at the Las Campanas Observatory, and…