Dietz, R., Paludan-Müller, P., Agger, C.T. and Nielsen, C.O. 1998. Cadmium, mercury, zinc and selenium in ringed seals (<i>Phoca hispida</i>) from Greenland and Svalbard. NAMMCO Scientific Publications. 1, (Jun. 1998), 242–272. DOI:https://doi.org/10.7557/3.2992.