Bessonov, Alexander A.
Kirikova, Marina N.
Petukhov, Dmitrii I.
Allen, Mark
Ryhänen, Tapani
Bailey, Marc J. A.
Article History
Received: 23 June 2014
Accepted: 8 October 2014
First Online: 10 November 2014
Competing interests
: The authors declare no competing financial interests.