Dam, N., Tamás Keszthelyi, L. K. Andersen, K. V. Mikkelsen, and P. R. Ogilby. 2002. “Effect Of Solvent On The O-2(A(1)Delta(G))-> O-2(B(1)Sigma(+)(G)) Absorption Spectrum: Demonstrating The Importance Of Equilibrium Vs Nonequilibrium Solvation”. Journal Of Physical Chemistry A 106: 5263–5270. doi:10.1021/jp0200876.