B133: F. Melchert, R. Schulze, S. Krudener, S. Meuser, E. Salzborn, D. B Uskov, A. D Ulantsev, L. P Presnyakov, "Single- and double-electron detachment in collisions of two negative hydrogen ions", Journal of Physics B: Atomic, Molecular and Optical Physics28, 3299-3308 (1995). [10.1088/0953-4075/28/15/019]