Bibliography

Crottini, A., F. Andreone, J. Kosuch, L. J. Borkin, S. N. Litvinchuk, C. Eggert, and M. Veith. 2007. Fossorial but widespread: the phylogeography of the common spadefoot toad (Pelobates fuscus), and the role of the Po Valley as a major source of genetic variability. Molecular Ecology 16: 2734–2754.