Treude, T. & Kiel, S. & Linke, P. & Peckmann, J. & Goedert, J.L. (2011)
Elasmobranch egg capsules associated with modern and ancient cold seeps: a nursery for marine deep-water predators.
Marine Ecology Progress Series, 437, 175–181 DOI: 10.3354/meps09305