Bibliography

Herrmann, H.-J., K.-D. Kühnel, and K. Kabisch. 1997. Investigations on the morphological variability in the subgenus Grobina Dubois 1987 “1986”. Böhme, W., W. Bischoff, and T. Ziegler eds., Herpetologia Bonnensis. Proceedings of the 8th Ordinary General Meeting of the Societas Europaea Herpetologica, 23–27 August 1995: 161–168.