Shaffer, H. ., Fellers, G. ., , Oliver, J. ., & Pauly, G. . (2004). Species boundaries, phylogeography and conservation genetics of the red-legged frog (Rana aurora/draytonii) complex. Molecular Ecology, 13(9), 2667-77. https://doi.org/10.1111/j.1365-294X.2004.02285.x

, Prudic, K. ., Oliver, J. ., & Shaffer, H. . (2003). Candidate gene analysis of metamorphic timing in ambystomatid salamanders. Molecular Ecology, 12(5), 1217-23. https://doi.org/10.1046/j.1365-294x.2003.01806.x