%0 Journal Article %A B. Cascales %A M. Muñoz %A J. Orihuela %T James boundaries and $\sigma$-fragmented selectors %J Studia Mathematica %D 2008 %P 97-122 %V 188 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm188-2-1/ %R 10.4064/sm188-2-1 %G en %F 10_4064_sm188_2_1