@article{IUPAC+BT07008+2019, url = {https://doi.org/10.1351/goldbook.BT07008}, institution = {International Union of Pure and Applied Chemistry (IUPAC)}, year = {2019}, title = {Born–Oppenheimer (BO) approximation}, doi = {doi:10.1351/goldbook.BT07008}, edition = {3.0.1} }