1. Carbenes, vol. I–II in Reactive Intermediates in Organic Chemistry Series, ed. R. A. Moss and M. Jones, Jr, Wiley–Interscience, New York, 1973, vol. I, 1975 vol. II
2. W. Kirmse , Carbene Chemistry, 2nd edn, Academic, New York, 1971
3. J. C. Sciano , in Handbook of Organic Photochemistry, CRC Press, Boca Raton Fl, 1989, vol. 2, ch. 9
4. F. A. Carey and R. J.Sundberg, in Advanced Organic Chemistry Part 3, 3rd edn., Plenum, New York, 1990
5. U. E. Weirsum and L. W.Jenneskens, in Gas Phase Reactions in Organic Synthesis, ed. Y. Vallée, Gordon and Breach, Amsterdam, The Netherlands, 1997