1. Discovery of the cerium isotopes
2. The Nubase evaluation of nuclear and decay properties
3. http://www.nndc.bnl.gov/ensdf/ENSDF, Evaluated Nuclear Structure Data File, maintained by the National Nuclear Data Center at Brookhaven National Laboratory, published in Nuclear Data Sheets (Academic Press, Elsevier Science).
4. IUPAC Transfermium Working Group Pure Appl. Chem. 63 (1991) 879.
5. Proc. Int. Conf. on Exotic Nuclei, Atomic Masses, ENAM’95, Arles, France, 1995;Czajkowski,1996