1. R. P. Young, Can. J. Chem.,47, No. 12, 2237?2247 (1969).
2. V. A. Basyuk and A. A. Chuiko, Dokl. Akad. Nauk SSSR,309, No. 2, 381?384 (1989).
3. V. A. Basyuk and A. A. Chuiko, Zh. Prikl. Spektrosk.,52, No. 6, 935?939 (1990).
4. V. A. Basyuk, Teor. Éksp. Khim.,26, No. 1, 97?102 (1990).
5. Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee (1990).