Bibliography
Hillis, D. M. 1991. The phylogeny of amphibians: current knowledge and the role of cytogenetics. In: Green, D. M., and S. K. Sessions (Ed.), Amphibian Cytogenetics and Evolution. Academic Press, Inc. [San Diego, USA], 7-31.
Hillis, D. M. 1991. The phylogeny of amphibians: current knowledge and the role of cytogenetics. In: Green, D. M., and S. K. Sessions (Ed.), Amphibian Cytogenetics and Evolution. Academic Press, Inc. [San Diego, USA], 7-31.
