Controlled formation of weakly bound atomic negative ions by electron transfer from state-selected Rydberg atomsM. Reicherts, T. Roth, A. Gopalan, M.-W. Ruf, H. Hotop, C. Desfrançois and I. I. FabrikantEurophys. Lett., 40 2 (1997) 129-134DOI: https://doi.org/10.1209/epl/i1997-00434-8