TY - JOUR AU - J Herbst AU - R Watson C2 - Physical Review B (Condensed Matter and Materials Physics) DA - 1976-10-15 00:10:00 LA - en M1 - 14 PB - Physical Review B (Condensed Matter and Materials Physics) PY - 1976 TI - Coulomb term U and 5f electron excitation energies for the metals actinium to berkelium ER -