TY - JOUR AU - John Cooper BT - Physical Review Letters DA - Jan-11-1966 DO - 10.1103/PhysRevLett.17.991 PY - 1966 SP - 991 EP - 995 T2 - Physical Review Letters TI - Line Profile in the One-Electron Approximation VL - 17 SN - 0031-9007 ER -