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Wallner, A.; Faestermann, T.; Feige, J.; Feldstein, C.; Knie, K.; Korschinek, G.; Kutschera, W.; Ofan, A.; Paul, M.; Quinto, F.; Rugel, G.; Steier, P. (2015). «Abundance of live 244Pu in deep-sea reservoirs on Earth points to rarity of actinide nucleosynthesis». Nature Communications6: 5956. ISSN2041-1723. doi:10.1038/ncomms6956.