1. J. R. Corey, M. Dueber, and M. Malaidza, J. Organomet. Chem., 36, 49 (1972).
2. A. A. Polyakova and R. A. Khmel'nitskii, Mass Spectrometry in Organic Chemistry [in Russian], Leningrad (1972), p. 368.
3. N. S. Prostakov, N. Saxena, P. I. Zakharov, and A. V. Varlamov, J. Organomet. Chem., 184, 167 (1980).
4. K. Levsen, Fundamental Aspects of Organic Mass Spectrometry, Verlag Chemie, Weinhiem (1978), p. 312.
5. F. McLafferty and M. Bursey, Chem. Comm., No. 11, 533 (1967).