Heiland, W. Surface Science (OP), Max Planck Institute for Plasma Physics, Max Planck Society; Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society;
Leung, S., Tolk, N., Heiland, W., Tully, J., Kraus, J., & Hill, P. (1978). Optical Radiation from Low-Energy Hydrogen Atomic and Molecular Ion-Surface Collisions. Physical Review. A, 18, 2, 447-451.