Direct observation of local ferromagnetism on carbon in multilayers H.-Ch. Mertins, S. Valencia, W. Gudat, P. M. Oppeneer, O. Zaharko and H. Grimmer Europhys. Lett., 66 5 (2004) 743-748 Published online: 01 May 2004 DOI: 10.1209/epl/i2003-10253-5