TY  - SER
AU  - Northcott, Chris 
TI  - MI5’s Tradecraft Before the First World War
PY  - 2018///
CY  - Philadelphia
PB  - Taylor and Francis Group
KW  - Armamento
KW  - Guerra mundial, 1914-1918
UR  - https://www.tandfonline.com/doi/full/10.1080/08850607.2017.1375327
ER  -