Lee, P., Remedios, N. D., Burke, T., Székely, T., & Küpper, C. (2015). North or south? Phylogenetic and biogeographic origins of a globally distributed avian clade. Molecular Phylogenetics and Evolution, 89, pp. 151-159. doi:10.1016/j.ympev.2015.04.010

Lee, Patricia, Natalie Dos Remedios, Terry Burke, Tamás Székely, and Clemens Küpper. "North or South? Phylogenetic and Biogeographic Origins of a Globally Distributed Avian Clade." Molecular Phylogenetics and Evolution 89 (2015): 151-159.

Lee, Patricia, et al. "North or South? Phylogenetic and Biogeographic Origins of a Globally Distributed Avian Clade." Molecular Phylogenetics and Evolution 89 (2015): 151-159.