1. (a) Förster, inModern Quantum Chemistry: Istanbul Lectures, Vol. 3, edited by O. Sinanoǧlu (Academic, New York, 1965), p. 93;
2. (b) A. A. Lamola, inTechniques of Organic Chemistry“Energy Transfer and Organic Photochemistry,” edited by P. A. Leermakers and A. Weissberger (Interscience, New York, 1969), Vol. 14, p. 17;
3. Electronic energy transfer
4. (e) J. B. Birks,Photophysics of Aromatic Molecules(Wiley-Interscience, London, 1970).