TY - JOUR AU - Lj. Petrovic AU - B. Jelenković AU - Arthur Phelps BT - Physical Review Letters DA - Jan-01-1992 DO - 10.1103/PhysRevLett.68.325 PY - 1992 SP - 325 EP - 328 T2 - Physical Review Letters TI - Excitation by and surface reflection of fast hydrogen atoms in low-pressure hydrogen discharges VL - 68 SN - 0031-9007 ER -