TY - JOUR AU - J. Coutts AU - S. Peck AU - R. Stoner AU - John Cooper BT - Journal of Applied Physics DA - Jan-01-1987 DO - 10.1063/1.339274 PY - 1987 EP - 3514 T2 - Journal of Applied Physics TI - Effect of collisions on forbidden lines VL - 62 SN - 00218979 ER -