TY  - BOOK
AU  - Silber,J.C.
TI  - The invisible weapons
U1  - 940.48743 
PY  - 1932///
CY  - London
PB  - Hutchinson
KW  - World War 1939-1945
KW  - Secret service
KW  - Germany
KW  - World war, 1939-1945
KW  - Censorship
KW  - Great Britain
KW  - Poopaganda
ER  -