Heald, Johnny, Michael Spagat, and Josh Dougherty. “Discussion of ‘Conflict Deaths in Iraq: A Methodological Critique of the ORB Survey Estimate’”. Survey Research Methods 4, no. 1 (May 1, 2010): 17–19. Accessed December 7, 2024. https://ojs.ub.uni-konstanz.de/srm/article/view/4269.