TY  - BOOK
AU  - Mackinder, Halford John, Sir
TI  - The nations of the modern world: an elemtary study in geography and history
PY  - 1921///
CY  - London
PB  - George Philip
KW  - CIVILIZACION
KW  - GEOGRAFIA ECONOMICA
KW  - GRAN BRETAÑA
KW  - HISTORIA
KW  - IMPERIALISMO
KW  - CIENCIAS SOCIALES
ER  -