TY  - RPRT
TI  - Effective cluster interactions using the generalized perturbation method in the atomic-sphere approximation.
AU  - PP Singh
AU  - A Gonis
PY  - 1993
DO  - 10.1103/physrevb.47.6744
UR  - https://pubmed.ncbi.nlm.nih.gov/10004649/
ID  - 10004649
ER  -