Jack S. Levy. “What Do Great Powers Balance Against and When?” Balance of Power Revisited: Theory and Practice in the 21st Century, ed. T.V. Paul, James Wirtz, and Michel Fortmann, (Stanford University Press, 2004).

“What Do Great Powers Balance Against and When?” Balance of Power Revisited: Theory and Practice in the 21st Century, ed. T.V. Paul, James Wirtz, and Michel Fortmann, (Stanford University Press, 2004).