Williams, Robert C. (Robert Chadwell), 1938-
Klaus Fuchs, el espa̕ atm̤ico / Robert Chadwell Williams ; [traduccin̤: Javier Calzada].
Fuchs, Klaus Emil Julius, 1911-1988.
Spies -- Soviet Union -- Biography.
Spies -- Great Britain -- Biography.
Spies -- United States -- Biography.
Espionage -- Great Britain -- History -- 20th century.
Espionage -- United States -- History -- 20th century.
Nuclear weapons -- Great Britain.
Nuclear weapons -- United States.
Calzada, Javier, translator.