Otto Roelen (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Otto Roelen" in English language version.

Last modified: 05:08:11, 21 March 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

22web.archive.org

1^st place

1^st place

22fischer-tropsch.org

low place

low place

fischer-tropsch.org (Global: low place; English: low place)

"B.I.O.S. Final Report No 1038 - Ruhrchemie A.G. Sterkrade-Holten, Near Oberhausen, Ruhr". Fischer-Tropsch Archive. 1946. Archived from the original on 2011-07-16. Retrieved 2009-03-26.
"British Intelligence Objectives Sub-Committee Reports". Fischer-Tropsch Archive. June 1945. Archived from the original on 2009-02-07. Retrieved 2009-03-26.

web.archive.org (Global: 1^st place; English: 1^st place)

"B.I.O.S. Final Report No 1038 - Ruhrchemie A.G. Sterkrade-Holten, Near Oberhausen, Ruhr". Fischer-Tropsch Archive. 1946. Archived from the original on 2011-07-16. Retrieved 2009-03-26.
"British Intelligence Objectives Sub-Committee Reports". Fischer-Tropsch Archive. June 1945. Archived from the original on 2009-02-07. Retrieved 2009-03-26.