Ernst Öpik (Swedish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ernst Öpik" in Swedish language version.

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arm.ac.uk

”Arkiverade kopian”. Arkiverad från originalet den 26 februari 2013. https://web.archive.org/web/20130226023323/http://www.arm.ac.uk/history/opik/opik.html. Läst 26 augusti 2012. Armaghobservatoriet - E.J. Öpik and his Rocking Camera.
”Arkiverade kopian”. Arkiverad från originalet den 8 juli 2009. https://web.archive.org/web/20090708030352/http://www.arm.ac.uk/history/opik/biog.html. Läst 27 augusti 2009. Armaghobservatoriet - Short Biography of Ernst Julius Öpik.
”Arkiverade kopian”. Arkiverad från originalet den 8 juli 2009. https://web.archive.org/web/20090708030352/http://www.arm.ac.uk/history/opik/biog.html. Läst 27 augusti 2009. Armagh Observatory - Short Biography of Ernst Julius Öpik.

[2] The Densities of Visual Binary Stars av Ernst Öpik 1916.
[3] An estimate of the distance of the Andromeda Nebula av Ernst Öpik 1922.
[4] Annual Review of Astronomy and Astrophysics, vol. 15 år 1977 - About Dogma in Dcience, and Other Recollections of an Astronomer av Ernst Öpik. sidan 6, 13 - 14
[5] Annual Review of Astronomy and Astrophysics, vol. 15 år 1977 - About Dogma in Dcience, and Other Recollections of an Astronomer av Ernst Öpik. sidan 8 - 10
[6] Annual Review of Astronomy and Astrophysics, vol. 15 år 1977 - About Dogma in Dcience, and Other Recollections of an Astronomer av Ernst Öpik. sidan 1 - 5
[7] Irish Astronomical Journal Supplement, Vol. 10 år 1972 - Dedication: Ernst Julius Öpik av Lindsay, E. M.