@article{IUPAC+Z06744+2019, url = {https://doi.org/10.1351/goldbook.Z06744}, institution = {International Union of Pure and Applied Chemistry (IUPAC)}, year = {2019}, title = {zero–zero (0–0) absorption or emission}, doi = {doi:10.1351/goldbook.Z06744}, edition = {3.0.1} }