TY - JOUR AU - B. Jelenković AU - Arthur Phelps BT - Physical Review E DA - 1/2005 DO - 10.1103/PhysRevE.71.016410 PY - 2005 T2 - Physical Review E TI - Excitation in low-current discharges and breakdown in He at low pressures and very high electric field to gas density ratios E/N VL - 71 SN - 1539-3755 ER -