TY  - RPRT
TI  - Isotropic spin-1 dipolar and quadrupolar systems: A Green's-function approach.
AU  - EB Brown
AU  - LF Uffer
PY  - 1985
DO  - 10.1103/physrevb.31.7197
UR  - https://pubmed.ncbi.nlm.nih.gov/9935639/
ID  - 9935639
ER  -