RT Book T1 Lessons learned from school shootings: perspectives from the United States of America T2 SpringerBriefs in psychology T2 SpringerBriefs in behavioral criminology A1 Poland, Scott A2 Ferguson, Sara LA English PP Cham, Switzerland PB Springer YR 2021 UL https://krimdok.uni-tuebingen.de/Record/176612450X CN 614.15 SN 3030754790 SN 9783030754792 K1 Schule : Amok : Schusswaffe : Prävention