VizieR online Data Catalogue associated with article published in journal Astronomy & Astrophysics with title 'IC 4200: a gas-rich early-type galaxy formed via a major merger.' (bibcode: 2006A&A...453..493S)
Oosterloo, T. (Contributor), van der Hulst, T. (Contributor), Trager, S. (Contributor), Serra, P. (Contributor), Morganti, R. (Contributor) (19-jun.-2006). Line-strength indices in IC 4200. University of Groningen. 10.26093/cds/vizier.34530493