Song, Y. ., Luo, M. ., Liang, F. ., Ye, N. ., & Lin, Z. . (2018). The second-harmonic generation intensification derived from localization conjugated π-orbitals in O<sub>2</sub><sup>2</sup>. Chemical Communications (Cambridge, England). https://doi.org/10.1039/c7cc08863a (Original work published 2018)