Hylleraas-type calculations of the ground states of the Li isoelectronic sequence through
J. F. Perkins
Phys. Rev. A 13, 915 (1976) - Published 1 March, 1976
Inelastic transition form factors in the H atom
A. O. Barut and Raj Wilson
Phys. Rev. A 13, 918 (1976) - Published 1 March, 1976
Hierarchy equations for reduced density matrices
Leon Cohen and C. Frishberg
Phys. Rev. A 13, 927 (1976) - Published 1 March, 1976
Analytic atomic form factors for atoms and ions with
R. H. Garvey and A. E. S. Green
Phys. Rev. A 13, 931 (1976) - Published 1 March, 1976