Tranzitul lui Venus din 1639 (Romanian Wikipedia)
Analysis of information sources in references of the Wikipedia article "Tranzitul lui Venus din 1639" in Romanian language version.
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dioi.org
- en
PDF Nicholas Kollerstrom (). Proceedings IAU Colloquium No. 196, 2004, Uniunea Astronomică Internațională, ed. „William Crabtree's Venus transit observation” (PDF). - en Nicholas Kollerstrom (). University College London, ed. „Horrocks and the Dawn of British Astronomy”.
encyclopedia.com
- en Complete Dictionary of Scientific Biography, ed. (). „Crabtree, William”.
st-and.ac.uk
www-history.mcs.st-and.ac.uk
- en J.J. O'Connor & E.F. Robertson (iunie 2004). MacTutor History of Mathematics, ed. „Jeremiah Horrocks”.
thonyc.wordpress.com
- en http://thonyc.wordpress.com/2009/11/24/an-important-anniversary-in-the-history-of-science/. Lipsește sau este vid:
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transit-of-venus.org.uk
- en Paul Marston. University of Central Lancashire, ed. „History of Jeremiah Horrocks”. Arhivat din original la . Accesat în .
- en University of Central Lancashire (ed.). „Transit of Venus”. Arhivat din original la . Accesat în .
transitofvenus.nl
- en Steven Van Roode (). The Transit of Venus Project, ed. „What did Horrocks really see?”.
ukho.gov.uk
astro.ukho.gov.uk
- en HM Nautical Almanac Office (ed.). „1639 December 4th Transit of Venus”. Arhivat din original la . Accesat în .
univie.ac.at
- On line, în aceeași publicație ca și Venus in Sole visus de Hevelius
venus-transit.de
- en M. Maunder & P. Moore (). Transit – When Planets cross the Sun, Springer-Verlag London Limited, ed. „Jeremiah Horrox”.
web.archive.org
- en HM Nautical Almanac Office (ed.). „1639 December 4th Transit of Venus”. Arhivat din original la . Accesat în .
- en Paul Marston. University of Central Lancashire, ed. „History of Jeremiah Horrocks”. Arhivat din original la . Accesat în .
- en University of Central Lancashire (ed.). „Transit of Venus”. Arhivat din original la . Accesat în .