TY  - BOOK
AU  - Ulmer, Robert R  .
TI  - Effective crisis communication: moving from crisis to opportunity / 
SN  - 978-1-4129-8034-0
U1  - 4 
PY  - 2011///
CY  - California : 
PB  - Sage Publications, Inc , 
KW  - Emergency management
ER  -