Bryant, H. C.; Dieterle, B. D.; Donahue, J.; Sharifian, H.; Tootoonchi, H.; Wolfe, D. M.; Gram, P. A. M.; Yates-Williams, M. A. (1977). «Observation of Resonances near 11 eV in the Photodetachment Cross Section of the H− Ion». Physical Review Letters38 (5): 228. doi:10.1103/PhysRevLett.38.228. Bibcode: 1977PhRvL..38..228B.
Bryant, H. C.; Dieterle, B. D.; Donahue, J.; Sharifian, H.; Tootoonchi, H.; Wolfe, D. M.; Gram, P. A. M.; Yates-Williams, M. A. (1977). «Observation of Resonances near 11 eV in the Photodetachment Cross Section of the H− Ion». Physical Review Letters38 (5): 228. doi:10.1103/PhysRevLett.38.228. Bibcode: 1977PhRvL..38..228B.