"id","author_first1","author_last1","title","year","publication","volume","issue","pages","author_first2","author_last2","keyword0","keyword1","type" "232","Walter","Enders","Patterns of Transnational Terrorism, 1970-1999: Alternative Time-Series Estimates","2002","International Studies Quarterly","46-2","June","145-165","Todd","Sandler","Mathematical Models","Transnational Terrorism","journal"