Richard Bos, Neil W. Barnett, Gail A. Dyson, Kieran F. Lim, Richard A. Russell and Simon P. Watson (2003), Studies on the mechanism of the peroxyoxalate chemiluminescence reaction: Part 1. Confirmation of 1,2-dioxetanedione as an intermediate using 13C nuclear magnetic resonance spectroscopy. Analytica Chimica Acta, Volume 502, Issue 2, 30 January 2004, Pages 141-147. doi:10.1016/j.aca.2003.10.014