Balzani, P., Vizzini, S., Santini, G., Masoni, A., Ciofi, C., Ricevuto, E., & Chelazzi, G. (2016). Stable isotope analysis of trophic niche in two co-occurring native and invasive terrapins, Emys orbicularis and Trachemys scripta elegans. Biological Invasions, 18.0(12), 3611-3621.