David Latham; Huchra J.; Da Costa L. N.; Pellegrini P. S.; Willmer C. N. A. (). „The morphological catalogue of galaxies equatorial survey”. Astronomical Journal. 105: 1637–1658. Bibcode:1993AJ....105.1637H. doi:10.1086/116543. WikidataQ66617646.
David Latham; Huchra J.; Da Costa L. N.; Pellegrini P. S.; Willmer C. N. A. (). „The morphological catalogue of galaxies equatorial survey”. Astronomical Journal. 105: 1637–1658. Bibcode:1993AJ....105.1637H. doi:10.1086/116543. WikidataQ66617646.
David Latham; Huchra J.; Da Costa L. N.; Pellegrini P. S.; Willmer C. N. A. (). „The morphological catalogue of galaxies equatorial survey”. Astronomical Journal. 105: 1637–1658. Bibcode:1993AJ....105.1637H. doi:10.1086/116543. WikidataQ66617646.