Status of Four-Junction Cell Development at Fraunhofer ISED. Lackner, O. Höhn, A.W. Walker, M. Niemeyer, P. Beutel, G. Siefer, M. Schachtner, V. Klinger, E. Oliva, K. Hillerich, T. Kubera, W. Guter, A.W. Bett and F. DimrothE3S Web Conf., 16 (2017) 03009DOI: https://doi.org/10.1051/e3sconf/20171603009
