1. ICGM Univ. Montpellier CNRS ENSCM Montpellier France
2. Institut Universitaire de France (IUF) 1 rue Descartes 75231 Paris Cedex 05 France
3. Institute of Organometallic Chemistry of Russian Academy of Sciences 49 Tropinina str., GSP-445 630950 Nizhny Novgorod Russia
4. Institute of Organoelement Compounds of Russian Academy of Sciences 28 Vavilova str. 119334 Moscow Russia