1. A. Weller , Progress in Reaction Kinetics , Pergamon Press , New York , 1961
2. H. Shizuka and S.Tobita , Proton Transfer Reactions in the Excited States , in Organic Photochemistry and Photophysics , ed. V. Ramamurthy and K. Schanze , CRC Press , 2005 , ch. 2, vol. 14
3. Excited-state proton transfer reactions I. Fundamentals and intermolecular reactions