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Naples, Virginia L.; Martin, Larry D. . (2000). Evolution of Hystricomorphy in the Nimravidae (Carnivora; Barbourofelinae): Evidence for complex character convergence with rodents. Historical Biology, 14(3), 169–188. doi:10.1080/10292380009380565 

An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research