RT Article T1 The Pittsburgh Youth Study: Its design, data collection, and early key findings A1 Loeber, Rolf 1942-2017 A2 Farrington, David 1944- A2 Stouthamer-Loeber, Magda LA English PB Routledge YR 2008 UL https://krimdok.uni-tuebingen.de/Record/1912650991