NGC 668 (Greek Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 668" in Greek language version.

refsWebsite

Global rank Greek rank

5^th place

8^th place

18^th place

57^th place

887^th place

1,225^th place

low place

5,198^th place

2^nd place

3^rd place

caltech.edu (Global: 887^th place; Greek: 1,225^th place)

«Your NED Search Results». ned.ipac.caltech.edu. Ανακτήθηκε στις 14 Νοεμβρίου 2018.
«Detailed Object Classifications». ned.ipac.caltech.edu. Ανακτήθηκε στις 16 Νοεμβρίου 2018.

«NASA/IPAC Extragalactic Database». Results for NGC 668. Ανακτήθηκε στις 13 Νοεμβρίου 2018.

«New General Catalog Objects: NGC 650 - 699». cseligman.com (στα Αγγλικά). Ανακτήθηκε στις 14 Νοεμβρίου 2018.

P., Fouque; E., Gourgoulhon; P., Chamaraux; G., Paturel (May 1992). «Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members» (στα αγγλικά). Astronomy and Astrophysics Supplement Series 93: 211. ISSN 0365-0138. Bibcode: 1992A&AS...93..211F.
M., Garcia, A. (July 1993). «General study of group membership. II - Determination of nearby groups» (στα αγγλικά). Astronomy and Astrophysics Supplement Series 100: 47. ISSN 0365-0138. Bibcode: 1993A&AS..100...47G.
Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando (November 2000). «Nearby Optical Galaxies: Selection of the Sample and Identification of Groups» (στα αγγλικά). The Astrophysical Journal 543 (1): 178–194. doi:10.1086/317070. ISSN 0004-637X. Bibcode: 2000ApJ...543..178G. http://adsabs.harvard.edu/cgi-bin/bib_query?arXiv:astro-ph/0001140.

P., Fouque; E., Gourgoulhon; P., Chamaraux; G., Paturel (May 1992). «Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members» (στα αγγλικά). Astronomy and Astrophysics Supplement Series 93: 211. ISSN 0365-0138. Bibcode: 1992A&AS...93..211F.
M., Garcia, A. (July 1993). «General study of group membership. II - Determination of nearby groups» (στα αγγλικά). Astronomy and Astrophysics Supplement Series 100: 47. ISSN 0365-0138. Bibcode: 1993A&AS..100...47G.
Giuricin, Giuliano; Marinoni, Christian; Ceriani, Lorenzo; Pisani, Armando (November 2000). «Nearby Optical Galaxies: Selection of the Sample and Identification of Groups» (στα αγγλικά). The Astrophysical Journal 543 (1): 178–194. doi:10.1086/317070. ISSN 0004-637X. Bibcode: 2000ApJ...543..178G. http://adsabs.harvard.edu/cgi-bin/bib_query?arXiv:astro-ph/0001140.