%0 Journal Article %A Jan J. Dijkstra %A Kenneth Kunen %A Jan van Mill %T Hausdorff measures and two point set extensions %J Fundamenta Mathematicae %D 1998 %P 43-60 %V 157 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-157-1-43-60/ %R 10.4064/fm-157-1-43-60 %G en %F 10_4064_fm_157_1_43_60