, chapter 7 in The Nuclear Renaissance and International Security, ed. Adam Stulberg and Matt Fuhrmann, Stanford University Press, 2013.
(with Scott D. Sagan), Journal of Conflict Resolution 53, no.2 (April 2009): 302-328.
Proliferation Networks in Theory and Practice, in Globalization and WMD Proliferation: Terrorism, Transnational Networks, and International Security, ed. James A. Russell and James J. Wirtz, 28-39 (London, UK: Routledge, 2008).