Referências: |
- The Upper Atmosphere and Solar-Terrestrial Relations J.K. Hargreaves, 1979.
- Introduction to Ionospheric Physics H. Rishbeth e O. K. Garriott
- The Solar-Terrestrial Environment: An Introduction to Geospace - the Science of the Terrestrial Upper Atmosphere, Ionosphere, and Magnetosphere (Cambridge Atmospheric and Space Science Series) , John Keith Hargreaves, 1995.
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