@misc{indiciaeb6b821b8770a, title = {Dominant nonadiabatic contribution to the long-range electron-atom interaction.}, author = {Hahn, Y. and Kleinman, C. J. and Spruch, L.}, year = {1968}, url = {https://ntrs.nasa.gov/citations/19680037225}, note = {Source identifier: 19680037225} }