@article{Piazza2018, author = "James A. Piazza", title = "{Suicide Attacks and Hard Targets: An Empirical Examination}", year = "2018", month = "8", url = "https://tandf.figshare.com/articles/journal_contribution/Suicide_Attacks_and_Hard_Targets_An_Empirical_Examination/6989186", doi = "10.6084/m9.figshare.6989186.v1" }