Bibliography
Milner, A. R. 1988. The relationships and origin of living amphibians. In: Benton, M. J. (Ed.), The Phylogeny and Classification of Tetrapods. Volume 1, Amphibians, Reptiles, Birds. Clarendon Press [Oxford, UK], 59-102.
Milner, A. R. 1988. The relationships and origin of living amphibians. In: Benton, M. J. (Ed.), The Phylogeny and Classification of Tetrapods. Volume 1, Amphibians, Reptiles, Birds. Clarendon Press [Oxford, UK], 59-102.
