↑Stites, Joseph G.; Salutsky, Murrell L.; Stone, Bob D. (1955). "Preparation of Actinium Metal". J. Am. Chem. Soc. 77 (1): 237–240. doi:10.1021/ja01606a085.
↑ ۴٫۰۴٫۱Zachariasen, W. H. (1949). "Crystal chemical studies of the 5f-series of elements. XII. New compounds representing known structure types". Acta Crystallographica. 2 (6): 388. doi:10٫۱۱۰۷/S0365110X۴۹۰۰۱۰۱۶. {{cite journal}}: Check |doi= value (help)
↑Zachariasen, W. H. (1949). "Crystal chemical studies of the 5f-series of elements. VI. The Ce2S3-Ce3S4 type of structure". Acta Crystallographica. 2: 57. doi:10٫۱۱۰۷/S0365110X۴۹۰۰۰۱۲۶. {{cite journal}}: Check |doi= value (help)
↑ ۷٫۰۷٫۱۷٫۲۷٫۳۷٫۴۷٫۵۷٫۶Fried, Sherman; Hagemann, French; Zachariasen, W. H. (1950). "The Preparation and Identification of Some Pure Actinium Compounds". Journal of the American Chemical Society. 72 (2): 771. doi:10.1021/ja01158a034.
↑ ۸٫۰۸٫۱Zachariasen, W. H. (1948). "Crystal chemical studies of the 5f-series of elements. I. New structure types". Acta Crystallographica. 1 (5): 265. doi:10٫۱۱۰۷/S0365110X۴۸۰۰۰۷۰۳. {{cite journal}}: Check |doi= value (help)
Actiniumبایگانیشده در ۲۵ اوت ۲۰۱۱ توسط Wayback Machine in Haire, Richard G. (2006). Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer. ISBN1-4020-3555-1.