Superconducting transition in Pb/Co nanocomposites: effect of Co volume fraction and external magnetic fieldY. T. Xing, H. Micklitz, W. T. Herrera, T. G. Rappoport and E. Baggio-SaitovitchEur. Phys. J. B, 76 3 (2010) 353-357DOI: https://doi.org/10.1140/epjb/e2010-00183-5