Shambaugh, George E.; & Weitsman, Patricia A. (2002) International Systems, Domestic Structures, and Risk , Journal of Peace Research 39(3): 289–312.
Shambaugh, George E.; & Matthew, Richard A. (1998) Sex, Drugs, and Heavy Metal: Transnational Threats and National Vulnerabilities , Security Dialogue 29(2): 163–175.
The Peace Research Institute Oslo (PRIO) conducts research on the conditions for peaceful relations between states, groups and people.