NGC 4027 (Greek Wikipedia)

Analysis of information sources in references of the Wikipedia article "NGC 4027" in Greek language version.

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caltech.edu

«NASA/IPAC Extragalactic Database». Results for NGC 4027. Ανακτήθηκε στις 31 Οκτωβρίου 2006.
«Distance Results for NGC 4027». NASA/IPAC Extragalactic Database. Ανακτήθηκε στις 16 Μαΐου 2010.

G. Giuricin; C. Marinoni; L. Ceriani; A. Pisani (2000). «Nearby Optical Galaxies: Selection of the Sample and Identification of Groups». Astrophysical Journal 543 (1): 178–194. doi:10.1086/317070. Bibcode: 2000ApJ...543..178G.

P. Fouque; E. Gourgoulhon; P. Chamaraux; G. Paturel (1992). «Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members». Astronomy and Astrophysics Supplement 93: 211–233. Bibcode: 1992A&AS...93..211F.
A. Garcia (1993). «General study of group membership. II - Determination of nearby groups». Astronomy and Astrophysics Supplement 100: 47–90. Bibcode: 1993A&AS..100...47G.
G. Giuricin; C. Marinoni; L. Ceriani; A. Pisani (2000). «Nearby Optical Galaxies: Selection of the Sample and Identification of Groups». Astrophysical Journal 543 (1): 178–194. doi:10.1086/317070. Bibcode: 2000ApJ...543..178G.