Michael Schreier, Gerrit E. W. Bauer, Vitaliy Vasyuchka, Joost Flipse, Ken-ichi Uchida,
            Johannes Lotze, Viktor Lauer, Andrii Chumak, Alexander Serga, Shunsuke Daimon, Takashi
            Kikkawa, Eiji Saitoh, Bart J. van Wees, Burkard Hillebrands, Rudolf Gross, Sebastian
            T. B. Goennenwein: Sign of inverse spin Hall voltages generated by ferromagnetic resonance and temperature
            gradients in yttrium iron garnet|platinum bilayers. 2015J. Phys. D: Appl. Phys.: 48. http://iopscience.iop.org/0022-3727/48/2/025001/