TY  - RPRT
TI  - Electron correlation in momentum space: The beryllium-atom isoelectronic sequence.
AU  - AN Tripathi
AU  - RP Sagar
AU  - RO Esquivel
AU  - VH Smith
PY  - 1992
DO  - 10.1103/physreva.45.4385
UR  - https://pubmed.ncbi.nlm.nih.gov/9907513/
ID  - 9907513
ER  -