@misc{indiciaec646a02c6bc2, title = {Two-level system in a Gaussian field: An approximate solution.}, author = {E Bava and A Godone and C Novero and Di Rocco HO}, year = {1992}, doi = {10.1103/physreva.45.1967}, url = {https://pubmed.ncbi.nlm.nih.gov/9907185/}, note = {Source identifier: 9907185} }