Benedetti, I.
Malaguti, L.
Taddei, V.
Vrabie, I. I.
Funding for this research was provided by:
Gnampa by INdAM
Gnampa by INdAM
CNCS–UEFISCDI (PN-II-ID-PCE-2011-3-0052)
Article History
Received: 26 February 2015
Accepted: 1 October 2015
First Online: 17 October 2015