TY  - BOOK
AU  - Reese, Shawn
TI  - Defining Homeland Security: : Analysis and  Congressional Considerations 
PY  - 2013///
PB  - Congressional Research Service
KW  - Prospectiva
KW  - Seguridad
UR  - http://www.fas.org/sgp/crs/homesec/R42462.pdf
ER  -