TY - BOOK AU - Dittrich Walter AU - Reuter Martin TI - Effective lagrangians in quantum electrodynamics T2 - Lecture notes in physics; 220 U1 - CN1,6:2, M5 PY - 1985/// CY - Berlin PB - Springer-Verlag KW - Electrodynamics KW - Quantum theory KW - Physics ER -