1. A partial list of references can be found in S. Glasstone and R. H. Lovberg,Controlled Thermonuclear Reactions(D. Van Nostrand Company, Inc., Princeton, New Jersey, 1960), p. 508.
2. A necessary condition for hydromagnetic stability of plasma with axial symmetry
3. B. R. Suydam, Los Alamos Scientific Laboratory Rept. LAMS-2477 (1960).