1. J. Hattula, E. Liukkonen and J. Kantele, to be published
2. Table of isotopes;Lederer,1967
3. Isomeric states (T½ ≥ 10−10 s) listed according to increasing half-life
4. O. Tannila and J. Kantele, Table of radioactive species (T1/21 ms), arranged according to increasing half-life, Dep. of Phys., Univ. of Jyväskylä, Research Rep. 2/1969 (unpublished)
5. Nuclear Levels of Even Sn Isotopes Populated in the Decay of In Isomers