TY  - RPRT
TI  - Sum rules for collisional processes.
AU  - J Oreg
AU  - WH Goldstein
AU  - A Bar-Shalom
AU  - M Klapisch
PY  - 1991
DO  - 10.1103/physreva.44.310
UR  - https://pubmed.ncbi.nlm.nih.gov/9905682/
ID  - 9905682
ER  -