Element 87 AcK, derived from actinium

[1] CRANSTON S, 1918, P ROY SOC LOND A MAT, V94, P384

[2] HAHN, 1918, PHYS Z, V19, P208

[3] HAHNMEITNER, 1919, PHYS Z, V52, P1812

[4] HULL, 1935, J AM SOC, V57, P1649

[5] HULUBEI, 1937, C R ACAD SC, V205, P875

[6] HULUBEI, 1936, C R ACAD SC, V202, P927

[7] MEYER S, 1927, RADIOAKTIVITAT, P471

[8] MEYER VF, 1914, WIEN BER, V123, P1459

[9] Perey M., 1939, CR HEBD ACAD SCI, V208, P97

[10] 1899, C R ACAD SC, V129, P593

[1] CRANSTON S, 1918, P ROY SOC LOND A MAT, V94, P384

[2] HAHN, 1918, PHYS Z, V19, P208

[3] HAHNMEITNER, 1919, PHYS Z, V52, P1812

[4] HULL, 1935, J AM SOC, V57, P1649

[5] HULUBEI, 1937, C R ACAD SC, V205, P875

[6] HULUBEI, 1936, C R ACAD SC, V202, P927

[7] MEYER S, 1927, RADIOAKTIVITAT, P471

[8] MEYER VF, 1914, WIEN BER, V123, P1459

[9] Perey M., 1939, CR HEBD ACAD SCI, V208, P97

[10] 1899, C R ACAD SC, V129, P593