Siebert, U, Grilo, M L, Kesselring, T, Lehnert, K, Ronnenberg, K, Pawliczka, I, Galatius, A, Kyhn, L A, Dähne, M & Gilles, A 2022, ' Variation of blubber thickness for three marine mammal species in the southern Baltic Sea ', Frontiers in Physiology, vol. 13, 880465 . https://doi.org/10.3389/fphys.2022.880465