31 citations as recorded by crossref.

1. Long-term variations of the upper atmosphere parameters on Rome ionosonde observations and their interpretation L. Perrone et al.
2. Time and spatial variations of the foF2(night)/foF2(day) values A. Danilov
3. Trends in the Neutral and Ionized Upper Atmosphere J. Laštovička et al.
4. Calibrating estimates of ionospheric long-term change C. Scott et al.
5. Scatter of hmF2 values as an indicator of trends in thermospheric dynamics A. Danilov
6. Modelling the effects of changes in the Earth's magnetic field from 1957 to 1997 on the ionospheric hmF2 and foF2 parameters I. Cnossen & A. Richmond
7. Geomagnetic Activity Effects on CO2‐Driven Trend in the Thermosphere and Ionosphere: Ideal Model Experiments With GAIA H. Liu et al.
8. The effect of carbon dioxide cooling on trends in the F2-layer ionosphere L. Qian et al.
9. Long-term changes in the nightly behaviour of the oxygen red 630.0 nm line nightglow intensity and trends in the thermospheric meridional wind velocity G. Didebulidze et al.
10. Spatial and time variations in the foF2 (night)/foF2 (day) ratio: Specification of some effects A. Danilov & L. Vanina-Dart
11. A long-term trend in the F2-layer critical frequency as observed at Alma-Ata ionosonde station G. Gordiyenko et al.
12. Time and spatial variations in the ratio of nighttime and daytime critical frequencies of the F 2 layer A. Danilov
13. Global pattern of trends in the upper atmosphere and ionosphere: Recent progress J. Laštovička
14. Time and spatial variations in the ratio of nighttime and daytime critical frequencies of the F2 layer A. Danilov
15. What do we know of the long-term change of the Earth’s ionosphere? P. Bencze
16. Long term changes in the ionosphere over Indian low latitudes: Impact of greenhouse gases S. Sharma et al.
17. Long-term trends in the ratio of the daytime and nighttime values of foF2 A. Danilov & L. Vanina-Dart
18. Parameters of the ionospheric F 2 layer as a source of information on trends in thermospheric dynamics A. Danilov & L. Vanina-Dart
19. Long-term trends in the upper atmosphere and ionosphere (a review) A. Danilov
20. Progress in observations and simulations of global change in the upper atmosphere L. Qian et al.
21. Long‐Term Trends in the Upper Atmosphere Using the Incoherent Scatter Radar Observations Over Arecibo D. Selvaraj et al.
22. Monitoring and modeling of ionospheric characteristics in the framework of European COST 296 Action MIERS I. Stanislawska et al.
23. Critical frequencies foF2 as an indicator of trends in thermospheric dynamics A. Danilov & L. Vanina-Dart
24. foF2 Long-Term Trend at a Station Located near the Crest of the Equatorial Ionization Anomaly D. Gnabahou et al.
25. Critical frequency foF2 as an indicator of trends in thermospheric dynamics A. Danilov
26. Variations in foF2 and hmF2 at the end of the 1990s and the beginning of the 2000s A. Danilov
27. Long-term trends of the F2-region at mid-latitudes in the Southern Hemisphere A. Sharan & S. Kumar
28. Variations in foF2 at the end of the 1990s and beginning of the 2000s according to median data A. Danilov
29. Geographical distribution of long‐term changes in the height of the maximum electron density of the F region: A nonmigrating‐tide effect? P. Bencze
30. A review of global long-term changes in the mesosphere, thermosphere and ionosphere: A starting point for inclusion in (semi-) empirical models I. Cnossen et al.
31. Does theF10.7index correctly describe solar EUV flux during the deep solar minimum of 2007-2009? Y. Chen et al.