Leuştean, Laurenţiu http://orcid.org/0000-0003-4154-8761
Nicolae, Adriana
Funding for this research was provided by:
Romanian National Authority for Scientific Research, CNCS - UEFISCDI (PN-II-ID-PCE-2011-3-0383)
Romanian Ministry of Education, CNCS - UEFISCDI (PN-II-RU-PD-2012-3-0152)