Zuffi, M. A., S. Citi, E. Foschi, F. Marsiglia, and E. Martelli. “Into a Box Interiors: Clutch Size Variation and Resource Allocation in the European Pond Turtle”. Acta Herpetologica, vol. 10, no. 1, June 2015, pp. 39-45, doi:10.13128/Acta_Herpetol-15003.