High-Spin Molecules: Unusual Magnetic Susceptibility Relaxation Effects in [Mn12O12(O2CEt)16(H2O)3] (S = 9) and the One-Electron Reduction Product (PPh4)[Mn12O12(O2CEt)16(H2O)4] (S = 19/2)Hilary J. Eppley, David N. Hendrickson, George Christou et al.|Journal of the American Chemical Society|1995Cited by 437