TY  - RPRT
TI  - Statistical multipoles for cusp electrons and Rydberg electrons.
AU  - J Burgdörfer
PY  - 1986
DO  - 10.1103/physreva.33.1578
UR  - https://pubmed.ncbi.nlm.nih.gov/9896796/
ID  - 9896796
ER  -