1. Albert, R. D.: 1967, ‘Nearly Monoenergetic Electron Fluxes Detected During a Visible Aurora’, Phys. Rev. Letters 18, 369.
2. Alfvén, H.: 1942, On the Cosmogony of the Solar System, Stockholms Observatoriums Annaler, I, Vol. 14, No. 2.
3. Alfvén, H.: 1958, ‘On the Theory of Magnetic Storms and Aurorae’, Tellus 10, 104.
4. Alfvén, H.: 1977, ‘Electric Currents in Cosmic Plasmas’, Rev. Geophys. Space Phys. 15, 271.
5. Alfvén, H.: 1981, Cosmic Plasma, Monograph, D. Reidel Publ. Co., Dordrecht, Holland.