Madurga, R.
Blackledge, T. A.
Perea, B.
Plaza, G. R.
Riekel, C.
Burghammer, M.
Elices, M.
Guinea, G.
PĂ©rez-Rigueiro, J.
Article History
Received: 26 March 2015
Accepted: 24 August 2015
First Online: 6 October 2015
Competing interests
: The authors declare no competing financial interests.