1. D. Marsh, Electron Spin Resonance: Spin Labels, pp. 51–137 in: Membrane Spectroscopy, E. Grell ed., Springer Verlag Berlin
2. R. J. Smith and E. Oldfield, Science 225: 280 (1984).
3. L. Brand, J. R. Knutson, L. Davenport, J. M. Beechem, R. E. Dale, D. G. Walbridge and A. A. Kowalczyik, Time Resolved Fluorescence Spectroscopy, pp. 259–305, in: Spectroscopy and the Dynamics of Molecular Biological Systems, P. Bayley and R. E. Dale, eds., Academic Press, New York (1985).
4. F. Fillaux “Vibrational Spectroscopy”, in: The Enzyme Catalysis Process, A. Cooper and J. Houber, eds., Plenum Pub. Corp., New York (1989).
5. S. Cusack “Dynamic Neutron Scattering”, in: ibid.