TY  - SER
AU  - Imrey, Celia
TI  - Preparing for the worst: Active shooters in our schools - an international perspective
SN  - 0032-2571
U1  - BPer. 363.02 
PY  - 2015///
CY  - --Alexandria, USA
PB  - The International Association of Chief of Police, Inc.
KW  - School safety
ER  -