Reference Websites & Author Identifiers:
UNIFE: http://docente.unife.it/raffaele.digregorio-en
ResearchGate: https://www.researchgate.net/profile/Raffaele-Di-Gregorio
Scopus Author ID: 7003465861
ORCID: https://orcid.org/0000-0003-3925-3016
ResearchID: http://www.researcherid.com/rid/F-9316-2014
Google Scholar: http://scholar.google.it/citations?user=n_Ml9FEAAAAJ&hl=it
LinkedIn: http://www.linkedin.com/profile/view?id=128075898&trk=tab_pro