1. Some considerations on closed configurations of magnetohydrostatic equilibrium
2. D. Palumbo, in International School of Plasma Physics (Varena, Italy, 1971). Course on Instabilities and Confinement in Toroidal Plasmas (Commission of the European Communities, Luxemburg, 1974), pp. 91–107.
3. Toroidal Containment of a Plasma
4. Degenerate toroidal magnetohydrodynamic equilibria and minimum B