Watters, J. L., Cummings, S. T., Flanagan, R. L. and Siler, C. D. (2016) “Review of morphometric measurements used in anuran species descriptions and recommendations for a standardized approach”, Zootaxa. Auckland, New Zealand, 4072(4), pp. 477–495. doi: 10.11646/zootaxa.4072.4.6.