Reference

Andrea Cinquegranelli, Daniele Salvi, Leonardo Vignoli (2015): The amphibians of the Circeo national Park, central italy: distribution and aquatic habitat use (Amphibia: Caudata: Salamandridae; Anura: bufonidae, Hylidae, Ranidae) – Herpetozoa – 28_1_2: 63 - 73.