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Jan Woltjer (astronomer) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Jan Woltjer (astronomer)" in English language version.

refsWebsite
Global rank English rank
1web.archive.org
1st place
1st place
1universiteitleiden.nl
low place
low place

universiteitleiden.nl

  • Tim de Zeeuw (28 August 2019). "In Memoriam Lodewijk Woltjer". Archived from the original on 11 May 2020.

web.archive.org

  • Tim de Zeeuw (28 August 2019). "In Memoriam Lodewijk Woltjer". Archived from the original on 11 May 2020.