1. LXXVI. Conditions for the occurrence of electrical discharges in astrophysical systems
2. P. A. Sweet, inElectromagnetic Phenomena in Cosmical Physics, IAU Symposium No. 6, edited by B. Lehnert (Cambridge U.P., Cambridge, 1958), p. 123.
3. The Solar-Flare Phenomenon and the Theory of Reconnection and Annihiliation of Magnetic Fields.
4. Finite-Resistivity Instabilities of a Sheet Pinch
5. H. P. Furth, inPropagation and Instabilities in Plasmas, edited by W. T. Futterman (Stanford U.P., Stanford, 1963), p. 87.