Calsbeek, R., A. Calsbeek, and I. Calsbeek. “Sunny-Side Up: Ontogenetic Variation in Egg Mass Temperatures of the Wood Frog Rana Sylvatica”. Acta Herpetologica, vol. 17, no. 2, Aug. 2022, pp. 159-64, doi:10.36253/a_h-12660.