5 citations as recorded by crossref.

1. On the role of solar and geomagnetic activity in long-term trends in the atmosphere–ionosphere system J. Laštovička 10.1016/j.jastp.2004.07.019
2. Detection of long-term trends in the mesosphere/lower thermosphere from ground-based radio propagation measurements J. Bremer 10.1016/j.asr.2005.01.021
3. Mesospherictube trends at mid-latitudes derived from LF radio propagation experiments J. Bremer 10.1016/S0273-1177(03)90459-5
4. Long-term trends in the lower ionosphere J. Laštovička 10.1016/S0273-1177(01)80030-2
5. Long-term changes and trends in the lower ionosphere J. Lastovicka 10.1016/S1474-7065(02)00031-1