?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Gemmetto%2C+Valerio&rft.aulast=Gemmetto&rft.aufirst=Valerio&rft.issn=1539-3755&rft.atitle=Multiplexity+and+multireciprocity+in+directed+multiplexes&rft.title=Physical+Review+E&rft.date=2015&rft.genre=article