18 citations as recorded by crossref.

1. Long-term trends in the ionospheric F2 region with different solar activity indices J. Mielich & J. Bremer
2. Modeling the effects of secular variation of geomagnetic field orientation on the ionospheric long term trend over the past century X. Yue et al.
3. On the role of solar and geomagnetic activity in long-term trends in the atmosphere–ionosphere system J. Laštovička
4. Long-term trends in F2-layer parameters and their relation to other trends A. Danilov
5. foF2 Long-Term Trend at a Station Located near the Crest of the Equatorial Ionization Anomaly D. Gnabahou et al.
6. The effect of carbon dioxide cooling on trends in the F2-layer ionosphere L. Qian et al.
7. Applying artificial neural network to derive long‐term foF2 trends in the Asia/Pacific sector from ionosonde observations X. Yue et al.
8. What do we know of the long-term change of the Earth’s ionosphere? P. Bencze
9. A long-term trend in the F2-layer critical frequency as observed at Alma-Ata ionosonde station G. Gordiyenko et al.
10. Trends and Solar Irradiance Effects in the Mesosphere L. Qian et al.
11. Review of Long-Term Trends in the Equatorial Ionosphere Due the Geomagnetic Field Secular Variations and Its Relevance to Space Weather A. Elias et al.
12. Long-term trends of the F2-region at mid-latitudes in the Southern Hemisphere A. Sharan & S. Kumar
13. Long-term trends in the upper atmosphere and ionosphere (a review) A. Danilov
14. Variations in foF2 at the end of the 1990s and beginning of the 2000s according to median data A. Danilov
15. Progress in observations and simulations of global change in the upper atmosphere L. Qian et al.
16. Progress in studies of the trends in the ionosphere F region A. Danilov
17. Comparing long-term trends in the ionospheric F2-region with two different methods J. Bremer et al.
18. Long-term trends in foF2: A comparison of various methods J. Laštovička et al.