Citation: Takenobu, T.; Chi, D.H.; Prassides, K.; Margadonna, S.; Kubozono, Y.; Fitch, A.N.; Kato, K.-I.; Iwasa, Y. (2003). Synthesis, structure and magnetic properties of the fullerene-based ferromagnets Eu3 C70 and Eu9 C70. Journal of the American Chemical Society, 125, pp. 1897-1904.