P. V. Leksin, R. I. Salikhov, I. A. Garifullin, H. Vinzelberg, V. Kataev, R. Klingeler, L. R. Tagirov, B. Büchner, “Observation of the ‘inverse’ spin valve effect in a $\mathrm{Ni/V/Ni}$ trilayer system”, Письма в ЖЭТФ, 90:1 (2009), 64–68; JETP Letters, 90:1 (2009), 59–63
