1. G. A. Rasuvaev, B. G. Gribov, G. A. Domrachev, and B. A. Solomitin, Organometallic Compounds [in Russian], Nauka, Moscow (1972).
2. V. S. Khomenko, M. O. Lozinskii, Yu. A. Fialkov, et al., ?Mass-spetrometric study of fluorinated ?-diketonates of europium,? Teor. Eksp. Khim.,19, No. 1, 53?58 (1983).
3. M. Das and S. E. Livingstone, ?Mass-spectral studies of lanthanide chelates,? Aust. J. Chem.,28, No. 7, 1513?1516 (1975).
4. W. A. Sheppard and C. M. Sharts, Organic Fluorine Chemistry, W. A. Benjamin, New York (1969).
5. V. S. Khomenko, T. A. Rasshinina, and V. P. Suboch, ?Mass-spectrometric study of fluorinated ?-diketonates of europium,? Izv. Akad. Nauk BSSR, Ser. Khim., No. 3 (1979).