Nielsen, J. & Hedeholm, R.B. & Heinemeier, J. & Bushnell, P.G. & Christiansen, J.S. & Olsen, J. & Ramsey, C.B. & Brill, R.W. & Simon, M. & Steffensen, K.F. & Steffensen, J.F. (2016)
Eye lens radiocarbon reveals centuries of longevity in the Greenland shark (Somniosus microcephalus). Science, 353(6300), 702–704
DOI: 10.1126/science.aaf1703