RT Article T1 Estimating country-level terrorism trends using group-based trajectory analyses: latent class growth analysis and general mixture modeling JF Journal of quantitative criminology VO 28 IS 1 SP 103 OP 139 A1 Morris, Nancy A. A2 Slocum, Lee Ann LA English YR 2012 UL https://krimdok.uni-tuebingen.de/Record/163274077X K1 Terrorismusforschung K1 Methodenfragen