TY - JOUR AU - Arthur Phelps AU - B. Jelenković BT - Physical Review A DA - Jan-09-1988 DO - 10.1103/PhysRevA.38.2975 PY - 1988 SP - 2975 EP - 2990 T2 - Physical Review A TI - Excitation and breakdown of Ar at very high ratios of electric field to gas density VL - 38 SN - 0556-2791 ER -