An atomic multiconfigurational Dirac-Fock package Grant, I. P. ; McKenzie, B. J. ; Norrington, P. H. ; Mayers, D. F. ; Pyper, N. C. Abstract Publication: Computer Physics Communications Pub Date: December 1980 DOI: 10.1016/0010-4655(80)90041-7 Bibcode: 1980CoPhC..21..207G