1. Appelbaum, B. As U.S. agencies put more value on a life, businesses fret. New York Times, p. A1. (2011). http://www.nytimes.com/2011/02/17/business/economy/17regulation.html?pagewanted=all Accessed 26.05.15.
2. Stochastic models for social processes;Bartholomew,1973
3. Optimal control of drug epidemics: Prevent and treat – but not at the same time?;Behrens;Management Science,2000
4. Incentive Stackelberg strategies for a dynamic game on terrorism;Behrens,2007
5. Optimizing counter-terror operations: Should one fight fire with “fire” or “water”?;Caulkins;Computers & Operations Research,2008