Phys. rev. lett. Phys. rev. lett. Mesoscopic Magnetic States in Metallic Alloys with Strong Electronic Correlations: A Percolative Scenario for CeNi1-xCux Marcano N. Gomez Sal J. C. Espeso J. I. De Teresa J. M. Algarabel P. A. Paulsen C. Iglesias J. R. 2007 research-article