RT Article T1 Longitudinal research designs: Tracking and interviewing at-risk populations A1 Bontrager, Stephanie R. A2 Decomo, Robert A2 Matthews, Tim A2 Devers, Lindsey A2 Blankenship, Julia A2 Winokur, Kristin LA English PB American Society of Criminology YR 2008 UL https://krimdok.uni-tuebingen.de/Record/1912612550 K1 Konferenzschrift ; 2008 ; St. Louis, MO