@article{articlecb31093b,
title   = {Two-state reduction for electron and hole transfer in bridge-mediated electron-transfer reactions},
author = {Skourtis, S S and Beratan, D N and Onuchic, José Nelson},
year = {1993},
doi = {10.1016/0301-0104(93)80258-b},
journal   = {Chemical Physics}
}