?url_ver=Z39.88-2004&rft_id=10.4229%2F27thEUPVSEC2012-1AV.3.31&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Pablo&rft.au=Zamora+Herranz%2C+Pablo&rft.aulast=Zamora+Herranz&rft.title=Dome-shaped+Fresnel-K%C3%B6hler%3A+a+novel+high+performance+optical+concentrator&rft.btitle=EU+PVSEC+Proceedings&rft.date=2012&rft.isbn=3-936338-28-0&rft.tpages=4&rft.genre=proceeding