@misc{indiciaeff39334ba72d, title = {Variational study of dissipative two-state systems.}, author = {Y Shi and H Chen and X Wu}, year = {1994}, doi = {10.1103/physrevb.49.2931}, url = {https://pubmed.ncbi.nlm.nih.gov/10011134/}, note = {Source identifier: 10011134} }