Ramsay, Kristopher. (2008) 2008. “Settling It on the Field: Battlefield Events and War Termination”. The Journal of Conflict Resolution 52 (6). Beverly Hills: SAGE PUBLICATIONS, INC.: 850. Referenced from search.proquest.com: Settling it on the Field: Battlefield Events and War Termination.

Lee, David. (2008) 2008. “Randomized Experiments from Non-Random Selection in U.S. House Elections”. Journal of Econometrics 142 (2). Amsterdam: Elsevier Sequoia S.A.: 675. Referenced from search.proquest.com: Randomized experiments from non-random selection in U.S. House elections.