46 citations as recorded by crossref.

1. Reconstruction of geomagnetic activity and near-Earth interplanetary conditions over the past 167 yr – Part 1: A new geomagnetic data composite M. Lockwood et al. 10.5194/angeo-31-1957-2013
2. Solar forcing for CMIP6 (v3.2) K. Matthes et al. 10.5194/gmd-10-2247-2017
3. A history of solar activity over millennia I. Usoskin 10.1007/s41116-017-0006-9
4. Sporadic aurora from Spain J. Vaquero et al. 10.1186/BF03352061
5. Geomagnetic records of Carrington’s storm from Guatemala P. Ribeiro et al. 10.1016/j.jastp.2009.12.017
6. A possible case of Sporadic Aurora in 1843 from Mexico J. Vaquero et al. 10.1016/S0016-7169(13)71464-8
7. Time Delay between Outer Heliosheath Crossing and Observation of Interstellar Neutral Atoms M. Bzowski & M. Kubiak 10.3847/1538-4357/abada2
8. Sector structure of the interplanetary magnetic field in the nineteenth century M. Vokhmyanin & D. Ponyavin 10.1002/grl.50749
9. Reconstruction of geomagnetic activity and near-Earth interplanetary conditions over the past 167 yr – Part 2: A new reconstruction of the interplanetary magnetic field M. Lockwood et al. 10.5194/angeo-31-1979-2013
10. An Analysis of Trouvelot's Auroral Drawing on 1/2 March 1872: Plausible Evidence for Recurrent Geomagnetic Storms A. Bhaskar et al. 10.1029/2020JA028227
11. Low-latitude Aurorae during the Extreme Space Weather Events in 1859 H. Hayakawa et al. 10.3847/1538-4357/aae47c
12. Secular Variations of a Shift of the Heliospheric Current Sheet M. Vokhmyanin et al. 10.1134/S0016793218080200
13. Reconstruction of geomagnetic activity and near-Earth interplanetary conditions over the past 167 yr – Part 4: Near-Earth solar wind speed, IMF, and open solar flux M. Lockwood et al. 10.5194/angeo-32-383-2014
14. Prediction of even and odd sunspot cycles T. Asikainen & J. Mantere 10.1051/swsc/2023024
15. Historical Space Climate Data from Finland: Compilation and Analysis H. Nevanlinna 10.1007/s11207-005-3749-8
16. Interhourly variability index of geomagnetic activity and its use in deriving the long‐term variation of solar wind speed L. Svalgaard & E. Cliver 10.1029/2007JA012437
17. Temporal Variations of the Three Geomagnetic Field Components at Colaba Observatory around the Carrington Storm in 1859 H. Hayakawa et al. 10.3847/1538-4357/ac2601
18. The solar cycle: predicting the peak of solar cycle 25 Z. Du 10.1007/s10509-020-03818-1
19. A history of solar activity over millennia I. Usoskin 10.1007/s41116-023-00036-z
20. Revising a less-reliable prediction for the solar cycle based on the variation in correlation Z. Du et al. 10.1007/s12648-022-02424-x
21. Evidence for a physical linkage between galactic cosmic rays and regional climate time series C. Perry 10.1016/j.asr.2007.02.079
22. Fluctuations of magnetic inclination and declination in Mexico during the last three millennia R. García-Ruiz et al. 10.1016/j.quageo.2022.101309
23. Modelling the magnetic field caused by a dc-electrified railway with linearly changing leakage currents R. Pirjola 10.5047/eps.2011.06.032
24. Long-term changes in indices of geomagnetic activity at the auroral station Sodankylä D. Martini et al. 10.1016/j.asr.2012.01.013
25. On the early history of the Finnish Meteorological Institute H. Nevanlinna 10.5194/hgss-5-75-2014
26. Reconstruction of geomagnetic activity and near-Earth interplanetary conditions over the past 167 yr – Part 3: Improved representation of solar cycle 11 M. Lockwood et al. 10.5194/angeo-32-367-2014
27. A possible case of sporadic aurora observed at Rio de Janeiro D. Oliveira et al. 10.1186/s40623-020-01208-z
28. The IDV index: Its derivation and use in inferring long‐term variations of the interplanetary magnetic field strength L. Svalgaard & E. Cliver 10.1029/2005JA011203
29. Global Solar Variations and Effects of Relativistic 2D-Hydrogen G. Dreschhoff et al. 10.4236/jmp.2015.68114
30. The Great Space Weather Event during 1872 February Recorded in East Asia H. Hayakawa et al. 10.3847/1538-4357/aaca40
31. Founding father of Finnish geomagnetic research H. Nevanlinna 10.1029/2005EO360002
32. Semi-annual, annual and Universal Time variations in the magnetosphere and in geomagnetic activity: 4. Polar Cap motions and origins of the Universal Time effect M. Lockwood et al. 10.1051/swsc/2020077
33. A History of Solar Activity over Millennia I. Usoskin 10.12942/lrsp-2008-3
34. A critical review and presentation of the complete, historic series of K indices as determined at Norwegian magnetic observatories since 1939 I. Frøystein & M. Johnsen 10.5194/angeo-43-241-2025
35. Sporadic auroras near the geomagnetic equator: in the Philippines, on 27 October 1856 H. Hayakawa et al. 10.5194/angeo-36-1153-2018
36. Reconstruction of Solar Extreme Ultraviolet Flux 1740 – 2015 L. Svalgaard 10.1007/s11207-016-0921-2
37. Candidate Auroral Observations Indicating a Major Solar–Terrestrial Storm in 1680: Implication for Space Weather Events during the Maunder Minimum H. Hayakawa et al. 10.3847/1538-4357/abb3c2
38. Johan Jacob Nervander and the Quantification of Electric Current [Historically Speaking] A. Sihvola 10.1109/MAP.2020.3039803
39. The Solar Cycle: a new prediction technique based on logarithmic values Z. Du 10.1007/s10509-011-0906-4
40. The tangent galvanometer of Johan Jacob Nervander J. Venermo & A. Sihvola 10.1109/MIM.2008.4534374
41. Correction of errors in scale values for magnetic elements for Helsinki L. Svalgaard 10.5194/angeo-32-633-2014
42. A study on the great geomagnetic storm of 1859: Comparisons with other storms in the 19th century H. Nevanlinna 10.1016/j.asr.2005.07.076
43. Universal Time variations in the magnetosphere M. Lockwood & S. Milan 10.3389/fspas.2023.1139295
44. On geomagnetic variations during the August–September storms of 1859 H. Nevanlinna 10.1016/j.asr.2008.01.002
45. A great space weather event in February 1730 H. Hayakawa et al. 10.1051/0004-6361/201832735
46. Kalman filter technique for defining solar regular geomagnetic variations: Comparison of analog and digital methods at Sodankylä Observatory D. Martini et al. 10.1029/2010JA016343