63-Eu-133  basic  element

63-europium-133 Atomic Mass: 132.9489000 +- 0.0009700 amu # Excess Mass: -47599.000 +- 904.000 keV # Binding Energy: 1071797.000 +- 904.000 keV # "The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.