@article{10_4064_fm_157_1_43_60,
     author = {Jan J. Dijkstra and Kenneth  Kunen and Jan van Mill},
     title = {Hausdorff measures and two point set extensions},
     journal = {Fundamenta Mathematicae},
     pages = {43--60},
     publisher = {mathdoc},
     volume = {157},
     number = {1},
     year = {1998},
     doi = {10.4064/fm-157-1-43-60},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-157-1-43-60/}
}