5 citations as recorded by crossref.

1. Horizontal sodium density variations for laser guide star tip-tilt measurements E. Holdorf & N. Martínez-Rey https://doi.org/10.1093/mnras/stae1366
2. Highly varying daytime sodium airglow emissions over an equatorial station: a case study based on the measurements using a grating monochromator M. Hossain et al. https://doi.org/10.1186/1880-5981-66-56
3. A review on the upper atmospheric sodium observations from India: Insights S. Sarkhel et al. https://doi.org/10.1016/j.asr.2019.02.019
4. Vertical coupling between the mesopause region and sporadic-E layer during equatorial counter electrojet events – A case study A. Ajesh et al. https://doi.org/10.1016/j.asr.2018.07.001
5. Monitoring Hydrogen Plasma Reduction of Oxides by Na D Lines S. Das et al. https://doi.org/10.1007/s11090-016-9705-6