Det usynlige blekk
Subtitle: Sigurd Christiansens liv
By: Tor Bomann-Larsen.
Edition: 2. oppl.
Publisher: J.W. Cappelen
Published: 1997
Place of publication: [Oslo]
Language: nor
Number of pages: 335
Subjects: Christensen, Sigurd,; Authors, Norwegian -- 20th century -- Biography.
Notes: Includes index.