TY  - RPRT
TI  - Alerting under imminent threat: guidance on alerts issued by outdoor siren and short message alerting systems 
AU  - Kuligowski, Erica D
AU  - Kimball, Amanda
PY  - 2018
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST TN 2008
DO  - 10.6028/NIST.TN.2008
ER  -