Previous Article Next Article Table of Contents Journal of Chemical Physics, Vol.102, No.4, 1758-1766, 1995 DOI10.1063/1.468703 Export Citation 4-Component Regular Relativistic Hamiltonians and the Perturbational Treatment of Dirac-Equation Sadlej AJ, Snijders JG, Vanlenthe E, Baerends EJ Please enable JavaScript to view the comments powered by Disqus.