L Bronstein - Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., 117813 Moscow, Russian Federation
M Seregina - Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., 117813 Moscow, Russian Federation
P Valetsky - Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St., 117813 Moscow, Russian Federation
U Breiner - Institut für Organische Chemie, Johannes-Gutenberg-Universität Mainz, 55099 Mainz, Germany
V Abetz - Institut für Organische Chemie, Johannes-Gutenberg-Universität Mainz, 55099 Mainz, Germany
R Stadler - Institut für Organische Chemie, Johannes-Gutenberg-Universität Mainz, 55099 Mainz, Germany