MAZUR, V.; BIGAN, Z.; DERECHKEY, P.; SYMOCHKO, D. Excitation Cross Section of the 11/2− Isomeric State of 137Ce Nucleus in (y, n) Reaction in the 11–18-MeV Energy Interval of Gamma Quanta. Ukrainian Journal of Physics, v. 61, n. 12, p. 1048, 4 jan. 2019.