Macksey, Kenneth. frey50
The searchers : how radio interception changed the course of both world wars / Kenneth Macksey. - London : Cassell, 2003. - 288 p. : ill., maps ; 25 cm.
0304365459 9780304365456
2003467626
Radio, Military--History.
World War, 1939-1945--Electronic intelligence.
World War, 1914-1918--Electronic intelligence.
Radio--History.
World War, 1939-1945--Secret service.
World War, 1914-1918--Secret service.
355.34320904 Mac 9
The searchers : how radio interception changed the course of both world wars / Kenneth Macksey. - London : Cassell, 2003. - 288 p. : ill., maps ; 25 cm.
0304365459 9780304365456
2003467626
Radio, Military--History.
World War, 1939-1945--Electronic intelligence.
World War, 1914-1918--Electronic intelligence.
Radio--History.
World War, 1939-1945--Secret service.
World War, 1914-1918--Secret service.
355.34320904 Mac 9