Guo, X.
, Bell, E.
, Thompson, J.
, Dunn, G.
, Bannister, M.
, Phaneuf, R.
and Smith, A.
(1993),
Evidence for significant back-scattering in near-threshold electron-impact excitation of Ar<sup>7+</sup>(3s to 3p), Physical Review A (Atomic, Molecular and Optical Physics)
(Accessed November 8, 2024)