TY  - GEN
AU  - Walker, Denise C
TI  - Mass notification and crisis communications: planning, preparedness, and systems
SN  - 9781439874387
PY  - 2012///
CY  - Boca Raton
PB  - CRC Press
KW  - Emergency management
KW  - Crisis management
KW  - Emergency communication systems
ER  -