Erdsack, N., Dehnhardt, G., Witt, M., Wree, A., Siebert, U., & Hanke, W. (2015). Unique fur and skin structure in harbour seals (Phoca vitulina)—thermal insulation, drag reduction, or both? J R Soc Interface.

Erdsack, Nicola, Guido Dehnhardt, Martin Witt, Andreas Wree, Ursula Siebert, and Wolf Hanke. "Unique Fur and Skin Structure in Harbour Seals (Phoca Vitulina)—thermal Insulation, Drag Reduction, or Both?" J R Soc Interface 2015.

Erdsack, Nicola, et al. "Unique Fur and Skin Structure in Harbour Seals (Phoca Vitulina)—thermal Insulation, Drag Reduction, or Both?" J R Soc Interface 2015.