TY - JOUR AU - E. Lewis AU - L. McNamara BT - Physical Review A DA - Jan-06-1972 DO - 10.1103/PhysRevA.5.2643 PY - 1972 SP - 2643 EP - 2651 T2 - Physical Review A TI - Broadening of the D Lines and the Relaxation of the Resonance Levels of Sodium Due to Collisions with Helium UR - http://link.aps.org/doi/10.1103/PhysRevA.5.2643 VL - 5 SN - 0556-2791 ER -