RT Article T1 Laying a foundation for the criminological examination of right-wing, left-wing, and Al Qaeda-inspired extremism in the United States JF Terrorism and political violence VO 27 IS 1 SP 133 OP 159 A1 Chermak, Steven M. 1964- A1 Gruenewald, Jeffrey A. A2 Gruenewald, Jeffrey A. LA English YR 2015 UL https://krimdok.uni-tuebingen.de/Record/1912607360 DO 10.1080/09546553.2014.975646