Collet, M.
de Milly, X.
d’Allivy Kelly, O.
Naletov, V. V.
Bernard, R.
Bortolotti, P.
Ben Youssef, J.
Demidov, V. E.
Demokritov, S. O.
Prieto, J. L.
Muñoz, M.
Cros, V.
Anane, A.
de Loubens, G.
Klein, O. https://orcid.org/0000-0001-9429-5150
Article History
Received: 24 May 2015
Accepted: 4 December 2015
First Online: 27 January 2016
Competing interests
: The authors declare no competing financial interests.