?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Javier&rft.aulast=Mart%C3%ADnez+Rodrigo&rft.au=Mart%C3%ADnez+Rodrigo%2C+Javier&rft.btitle=Nanospain+2014&rft.date=2014&rft.title=Flexible+graphene+device+for+ligthing+LEDs&rft.genre=proceeding