?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.respol.2014.10.015&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Morescalchi&rft.aufirst=Andrea&rft.au=Morescalchi%2C+Andrea&rft.atitle=The+evolution+of+networks+of+innovators+within+and+across+borders%3A+Evidence+from+patent+data+&rft.title=Research+Policy&rft.date=April+2015&rft.volume=44&rft.issue=3&rft.pages=651+-+668&rft.issn=0048-7333&rft.genre=article