1. Alfvén, H., 1954, On the Origin of the Solar System, Oxford University Press, Oxford, England.
2. Alfvén, H., 1960, Rev. Mod. Phys., 32, 710.
3. Alfvén, H. and Arrhenius, G., 1975, Structure and Evolutionary History of the Solar System, D. Reidel Pub. Co., Dordrecht-Holland.
4. Alfvén, H. and Arrhenius, G., 1976, Evolution of the Solar System, National Aeronautics and Space Administration, NASA SP-345.
5. Angerth, B., Block, L., Fahleson, U. and Soop, K., 1962, Nucl. Fusion Suppl., Pt 1, 39.