Fratzl, Peter Peter Fratzl, Biomaterialien, Max Planck Institute of Colloids and Interfaces, Max Planck Society;
https://lt.org/publication/how-does-interaction-water-collagen-lead-pretension-our-connective-tissues (Multimedia)
Fratzl, P. (2017). How Does the Interaction of Water with Collagen Lead to Pretension in Our Connective Tissues? doi:10.21036/LTPUB10399.