1. Propagation of nonducted VLF waves in the vicinity of the plasmapause;Aikyo;J. Radio Res. Labs.,1971
2. Initial results from the ISEE-1 and -2 plasma wave investigation;Gurnett;Space Sci. Rev.,1979
3. The ring current and particle precipitation near the plasmapause;Hultqvist;Ann. geophys.,1975
4. The plasmapause as a VLF wave guide;Inan;J. geophys. Res.,1977
5. The observation of VLF emissions at Moshiri;Iwai,1964