TY  - RPRT
TI  - Dominant nonadiabatic contribution to the long-range electron-atom interaction.
AU  - Hahn, Y.
AU  - Kleinman, C. J.
AU  - Spruch, L.
PY  - 1968
UR  - https://ntrs.nasa.gov/citations/19680037225
ID  - 19680037225
ER  -