Lunghi, Enrico, Simone Giachello, Manuela Mulargia, Pier Paolo Dore, Roberto Cogoni, and Claudia Corti. 2019. “Variability in the Dorsal Pattern of the Sardinian Grass Snake (Natrix Natrix Cetti) With Notes on Its Ecology”. Acta Herpetologica 14 (2):141-45. https://doi.org/10.13128/a_h-7753.