Thomas Christensen and Jack Snyder, “Progressive Research on Degenerate Alliances,” American Political Science Review 91, no. 4 (1997).

With Thomas Christensen, “Progressive Research on Degenerate Alliances.” American Political Science Review (December 1997). Reprinted in Realism and the Balancing of Power, ed. John Vasquez and Colin Elman (Prentice Hall, 2003).