Bibliography

Schneider, H., T. S. Sofianidou, and P. Kyriakopoulou-Sklavounou. 1984. Bioacoustic and morphometric studies in water frogs (genus Rana) of Lake Ioannina in Greece, and description of a new species (Anura, Amphibia). Zeitschrift für Zoologische Systematik und Evolutionsforschung 22: 349–366.