TY - JOUR AU - Soininen, J AU - Rehr, J AU - Shirley, Eric C2 - Journal of Physics-Condensed Matter DA - 2003-01-01 00:01:00 LA - en M1 - 15 PB - Journal of Physics-Condensed Matter PY - 2003 TI - Electron Self-Energy Calculation Using a General Multi-Pole Approximation ER -