Calsbeek R, Calsbeek A, Calsbeek I. Sunny-side up: ontogenetic variation in egg mass temperatures of the wood frog Rana sylvatica. Acta Herpetol. [Internet]. 2022 Aug. 1 [cited 2024 Nov. 22];17(2):159-64. Available from: https://oaj.fupress.net/index.php/ah/article/view/12660