GRASP-General Purpose Relativistic Atomic

Dyall. K.G., Grant, I.P., Johnson, C.T., Parpia, F.A. and Plummer, E.P. (1989) GRASP A general-purpose relativistic atomic structure program. Computer Physics Communications, 55, 425 56. 

G. K. DyaU, I. P. Grant, C. T. Johnson, F. A. Parpia, and E. P. Plummer, GRASP - a general-purpose relativistic atomic structure program, Comput. Phys. Commun., 55, 425-456 (1989) modified for pseudopotential calculations/optimizations by M. Dolg and B. Metz. 

---