Monroe, M. J.; Bokma, F. (2010). "Little evidence for Cope's rule from Bayesian phylogenetic analysis of extant mammals". Journal of Evolutionary Biology. 23 (9): 2017–2021. doi:10.1111/j.1420-9101.2010.02051.x. PMID20629852. S2CID20184065.
Kingsolver, J. G.; Pfennig, D. W. (July 2004). "Individual-level selection as a cause of Cope's rule of phyletic size increase". Evolution. 58 (7): 1608–1612. doi:10.1554/04-003. PMID15341162. S2CID198159428.
Monroe, M. J.; Bokma, F. (2010). "Little evidence for Cope's rule from Bayesian phylogenetic analysis of extant mammals". Journal of Evolutionary Biology. 23 (9): 2017–2021. doi:10.1111/j.1420-9101.2010.02051.x. PMID20629852. S2CID20184065.
Kingsolver, J. G.; Pfennig, D. W. (July 2004). "Individual-level selection as a cause of Cope's rule of phyletic size increase". Evolution. 58 (7): 1608–1612. doi:10.1554/04-003. PMID15341162. S2CID198159428.
Monroe, M. J.; Bokma, F. (2010). "Little evidence for Cope's rule from Bayesian phylogenetic analysis of extant mammals". Journal of Evolutionary Biology. 23 (9): 2017–2021. doi:10.1111/j.1420-9101.2010.02051.x. PMID20629852. S2CID20184065.
Kingsolver, J. G.; Pfennig, D. W. (July 2004). "Individual-level selection as a cause of Cope's rule of phyletic size increase". Evolution. 58 (7): 1608–1612. doi:10.1554/04-003. PMID15341162. S2CID198159428.