7 citations as recorded by crossref.

1. Structure of the Earth's lower ionosphere observed by GPS/MET radio occultation K. Hocke & K. Igarashi
2. D-region electron density evaluated from VLF amplitude time delay during X-ray solar flares V. Žigman et al.
3. Co-ordinated studies using imaging riometer and incoherent scatter radar P. Collis & J. Hargreaves
4. Multi-instrument observations of the dynamics of auroral arcs: a case study C. del Pozo et al.
5. Joint imaging riometer—Incoherent scatter radar obser vations: A four-dimensional perspective on energetic particle input to the auroral mesosphere P. Collis et al.
6. A new technique for deriving the quiet day curve from imaging riometer data at Zhongshan Station, Antarctic F. He et al.
7. Lower-ionosphere electron density and effective recombination coefficients from multi-instrument space observations and ground VLF measurements during solar flares V. Žigman et al.