Den hemmelige krigen
Subtitle: overvåking i Norge 1914-1997
By: Trond Bergh og Knut Einar Eriksen.
Contributors: Eriksen, Knut Einar, 1944-
Publisher: Cappelen akademisk forlag
Published: 1998
Place of publication: Oslo
Language: nor
Subjects: Secret service -- Norway -- History -- 20th century.; Espionage -- Norway -- History -- 20th century.
Notes: Includes bibliographical references and index.
Table of contents: title: bd. 1. Overvåkningssystemet bygges opp 1914-1955; title: bd. 2. Storhetstid og stormkast 1955-1997.