?url_ver=Z39.88-2004&rft_id=10.1109%2FPVSC40753.2019.8980563&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Zehender%2C+Marius+Harry&rft.aulast=Zehender&rft.aufirst=Marius+Harry&rft.title=Demonstrating+the+GaInP%2FGaAs+three-terminal+Heterojunction+Bipolar+Transistor+Solar+Cell&rft.date=2019&rft.btitle=2019+IEEE+46th+Photovoltaic+Specialists+Conference+(PVSC)&rft.genre=proceeding