Frederik Johnstrup (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Frederik Johnstrup" in English language version.

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4,196^th place

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1^st place

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3,395^th place

2,576^th place

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1,214^th place

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books.google.com

Noe-Nygaard, A.; C. Vibe; T. W. Böcher; E. Holtved (1951). "Notes on Danish Scientific Work since 1939" (PDF). Arctic. 4 (1): 50. doi:10.14430/arctic3935. Archived from the original (PDF) on 2011-05-24. Retrieved 2009-12-25.

"Johannes Frederik Johnstrup". Dansk Biografisk Leksikon. 17 July 2011. Retrieved September 1, 2020.

Hintze, V. Thoroddsen, Thorvaldur entry in C. F. Bricka (ed.): Dansk biografisk lexikon: tillige omfattende Norge for Tidsrummet 1537–1814; Gyldendal, Copenhagen 1887–1905; vol. XVII (1903), pp 283-5.

Noe-Nygaard, A.; C. Vibe; T. W. Böcher; E. Holtved (1951). "Notes on Danish Scientific Work since 1939" (PDF). Arctic. 4 (1): 50. doi:10.14430/arctic3935. Archived from the original (PDF) on 2011-05-24. Retrieved 2009-12-25.

Noe-Nygaard, A.; C. Vibe; T. W. Böcher; E. Holtved (1951). "Notes on Danish Scientific Work since 1939" (PDF). Arctic. 4 (1): 50. doi:10.14430/arctic3935. Archived from the original (PDF) on 2011-05-24. Retrieved 2009-12-25.