@misc{indiciae6b2266d83d02, title = {Berry's phase for anharmonic oscillators.}, author = {N Datta and G Ghosh}, year = {1992}, doi = {10.1103/physreva.46.5358}, url = {https://pubmed.ncbi.nlm.nih.gov/9908780/}, note = {Source identifier: 9908780} }