5 citations as recorded by crossref.

1. Historical sunspot observations: A review J. Vaquero https://doi.org/10.1016/j.asr.2007.01.087
2. Thaddäus Derfflinger’s Sunspot Observations during 1802–1824: A Primary Reference to Understand the Dalton Minimum H. Hayakawa et al. https://doi.org/10.3847/1538-4357/ab65c9
3. The Dalton Minimum and John Dalton’s Auroral Observations S. Silverman & H. Hayakawa https://doi.org/10.1051/swsc/2020082
4. Long-term Spatial and Temporal Variations of Aurora Borealis Events in the Period 1700 – 1905 M. Vázquez et al. https://doi.org/10.1007/s11207-013-0413-6
5. Long-Term Trends and Gleissberg Cycles in Aurora Borealis Records (1600 – 2015) M. Vázquez et al. https://doi.org/10.1007/s11207-016-0849-6