TY  - BOOK
AU  - Herbig, Katherine L. 
TI  - The Expanding Spectrum of Espionage by Americans, 1947 – 2015
PY  - 2017///
CY  - United States of America
PB  - Departament of Defense
KW  - Espías
KW  - Estados Unidos de América
UR  - https://info.publicintelligence.net/PERSEREC-EspionageByAmericans.pdf
ER  -