TY  - RPRT
TI  - Variational study of a simple model for bipolarons.
AU  - CF Lo
AU  - R Sollie
PY  - 1992
DO  - 10.1103/physrevb.45.7102
UR  - https://pubmed.ncbi.nlm.nih.gov/10000480/
ID  - 10000480
ER  -