TY  - BOOK
AU  - O'Rourke, Ronald
TI  - Changes in the Arctic: : Background and Issues for Congress
PY  - 2017///
PB  - Congressional Research Service
KW  - Seguridad internacional
KW  - Relaciones Internacionales
KW  - Regiones árticas
UR  - https://fas.org/sgp/crs/misc/R41153.pdf
ER  -