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Britton, Kate (август 2017). „Archaeological Futures: A stable relationship: isotopes and bioarchaeology are in it for the long haul”. Antiquity. 91 (358): 853—864. ISSN0003-598X. S2CID164265353. doi:10.15184/aqy.2017.98. hdl:2164/8892.CS1 одржавање: Формат датума (веза)
Soddy, Frederick; Cranston, John A. (1918-06-01). „The parent of actinium”. Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character. 94 (662): 384—404. doi:10.1098/rspa.1918.0025.
Britton, Kate (август 2017). „Archaeological Futures: A stable relationship: isotopes and bioarchaeology are in it for the long haul”. Antiquity. 91 (358): 853—864. ISSN0003-598X. S2CID164265353. doi:10.15184/aqy.2017.98. hdl:2164/8892.CS1 одржавање: Формат датума (веза)
„Experiments in radioactivity, and the production of helium from radium”. Proceedings of the Royal Society of London. 72 (477–486): 204—207. 1904. S2CID96923410. doi:10.1098/rspl.1903.0040.
Britton, Kate (август 2017). „Archaeological Futures: A stable relationship: isotopes and bioarchaeology are in it for the long haul”. Antiquity. 91 (358): 853—864. ISSN0003-598X. S2CID164265353. doi:10.15184/aqy.2017.98. hdl:2164/8892.CS1 одржавање: Формат датума (веза)
Britton, Kate (август 2017). „Archaeological Futures: A stable relationship: isotopes and bioarchaeology are in it for the long haul”. Antiquity. 91 (358): 853—864. ISSN0003-598X. S2CID164265353. doi:10.15184/aqy.2017.98. hdl:2164/8892.CS1 одржавање: Формат датума (веза)
Britton, Kate (август 2017). „Archaeological Futures: A stable relationship: isotopes and bioarchaeology are in it for the long haul”. Antiquity. 91 (358): 853—864. ISSN0003-598X. S2CID164265353. doi:10.15184/aqy.2017.98. hdl:2164/8892.CS1 одржавање: Формат датума (веза)