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NGC 7640 (Arabic Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 7640" in Arabic language version.

refsWebsite
Global rank Arabic rank
2wikidata.org
43rd place
2nd place
2web.archive.org
1st place
1st place
1u-strasbg.fr
1,342nd place
1,392nd place
1harvard.edu
18th place
33rd place
1nasa.gov
75th place
85th place
1caltech.edu
887th place
1,217th place

caltech.edu

ned.ipac.caltech.edu

harvard.edu

ui.adsabs.harvard.edu

  • Paturel G.; Dubois P.; Petit C.; Woelfel F. (2002), Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003 (بالإنجليزية), Bibcode:2002LEDA.........0P, QID:Q66470150

nasa.gov

  • "NASA TV". Hubble Sees Spiral in Andromeda. مؤرشف من الأصل في 2017-02-14. اطلع عليه بتاريخ 2017-02-13.

u-strasbg.fr

vizier.u-strasbg.fr

  • VizieR (بالإنجليزية), QID:Q1662358

web.archive.org

wikidata.org

  • VizieR (بالإنجليزية), QID:Q1662358
  • Paturel G.; Dubois P.; Petit C.; Woelfel F. (2002), Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003 (بالإنجليزية), Bibcode:2002LEDA.........0P, QID:Q66470150