Energy of O Calculated by Many-Body Perturbation Theory
John H. Miller and Hugh P. Kelly
Phys. Rev. Lett. 26, 679 (1971) - Published 22 March, 1971
Calculation of the Decay Rate for + One Photon in Helium
G. Feinberg and J. Sucher
Phys. Rev. Lett. 26, 681 (1971) - Published 22 March, 1971