RT Article T1 American terrorism and extremist crime data sources and selectivity bias: An investigation focusing on homicide events committed by far-right extremists JF Journal of quantitative criminology VO 28 IS 1 SP 191 OP 218 A1 Chermak, Steven M. 1964- A2 Lynch, James P. 1949- A2 Parkin, William S. A2 Freilich, Joshua D. LA English YR 2012 UL https://krimdok.uni-tuebingen.de/Record/1912456141 DO 10.1007/s10940-011-9156-4