RT Book T1 Columbine: a true crime story; a victim, the killers and the nation's search for answers A1 Kass, Jeff LA English PP Denver, Colo. PB Ghost Road Press YR 2009 UL https://krimdok.uni-tuebingen.de/Record/1620983826 SN 9780981652566 K1 Columbine High School : Massaker : Geschichte 1999