TY - JOUR AU - M. O'Callaghan AU - John Cooper BT - Physical Review A DA - Jan-06-1989 DO - 10.1103/PhysRevA.39.6206 PY - 1989 SP - 6206 EP - 6223 T2 - Physical Review A TI - Theory of velocity-dependent, collision-broadened, Doppler-free line shapes VL - 39 SN - 0556-2791 ER -