Coba jelasin Nota dan rujukan dari Gugusan Besar Virgo dalam bahasa melayu dong

Brent Tully: The Local Supercluster, Astrophys. J., vol. 257, pp. 389-422 (1982)

Oscar Monchito: Superclusters and Other Stuff, Colton, vol. 12, pp. 124-118 (1992)

ASTRON. SOC. OF INDIA. BULLETIN V. 9, P. 1, 1981 ; The Local Supercluster of Galaxies ; de Vaucouleurs, G. ; 1981BASI....9....1D