ESO-Chile

发表

M. Bellazzini, T. Oosterloo, F. Fraternali, 2013, 1310.6365.

Gepi, P. Bonifacio, G. Curto, 2013, 1310.6058.

L. F. Grove, K. Pedersen, C. Ledoux, 2007, 0706.1070.

Royal Observatory of Edinburgh, R. Bender, S. Seitz, 2002, astro-ph/0211044.

V. Testa, Tor Vergata, G. Andreuzzi, 2004, astro-ph/0406309.