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8 F. Biaso, M. Geoffroy, E. Canadell, P. Auban-Senzier,
1
1
´
(
Acknowledgements
´
2
This work was supported by the Ministry of Education and
Research (grant to F. R.), the CNRS (France) and the Swiss
National Science Foundation (Switzerland). Financial support
from the French Ministry of Foreign Affairs through a
E. Levillain, M. Fourmigue
´
2007, 13, 5394.
and N. Avarvari, Chem.–Eur. J.,
19 F. Riobe
´
, P. Grosshans, H. Sidorenkova, M. Geoffroy and
N. Avarvari, Chem.–Eur. J., 2009, 15, 380.
¨
Germaine de Stael 2006-2007 (PHC 10613RJ) project is also
acknowledged.
2
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