Baron, U., Bartelt, G., Eychmüller, A., Grellmann, K. H., Schmitt, U., Tauer, E., et al. (1985). The utilization of tunnel effects for mechanistic studies of hydrogen transfer reactions. Journal of Photochemistry, 28(2), 187-195. doi:10.1016/0047-2670(85)87030-1.