10 citations as recorded by crossref.

1. Tests of Sunspot Number Sequences: 1. Using Ionosonde Data M. Lockwood et al.
2. Regional Total Electron Content Disturbance During a Meteorological Storm O. Borchevkina et al.
3. Characterizing the pre-Space Age ionosphere over Washington, DC D. Rice et al.
4. Appleton's Ionosphere C. Scott & M. Wild
5. A Signature of 27 day Solar Rotation in the Concentration of Metallic Ions within the Terrestrial Ionosphere B. Yu et al.
6. Response of the mesosphere-thermosphere-ionosphere system to global change - CAWSES-II contribution J. Laštovička et al.
7. Global variation in the long-term seasonal changes observed in ionospheric F region data C. Scott & R. Stamper
8. Geomagnetic control of the midlatitude daytime foF1 and foF2 long‐term variations: Physical interpretation using European observations A. Mikhailov & L. Perrone
9. Inferring thermospheric composition from ionogram profiles: a calibration with the TIMED spacecraft C. Scott et al.
10. Calibrating estimates of ionospheric long-term change C. Scott et al.