TY - JOUR AU - Jentschura, Ulrich C2 - Physical Review A (Atomic, Molecular and Optical Physics) DA - 2008-10-16 14:10:14 LA - en PB - Physical Review A (Atomic, Molecular and Optical Physics) PY - 2008 TI - Two-Loop Bethe Logarithms for non-S Levels ER -