TY  - RPRT
TI  - Spin-spin interaction for very large atomic separations.
AU  - Hirschfelder, J. O.
AU  - Meath, W. J.
AU  - Power, E. A.
PY  - 1966
UR  - https://ntrs.nasa.gov/citations/19660063750
ID  - 19660063750
ER  -