@article{CMUC_2006__47_3_a13,
     author = {Iwasa, Akira and Nyikos, Peter J.},
     title = {A non-metrizable collectionwise {Hausdorff} tree with no uncountable chains and no {Aronszajn} subtrees},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {515--523},
     publisher = {mathdoc},
     volume = {47},
     number = {3},
     year = {2006},
     mrnumber = {2281013},
     zbl = {1150.54005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2006__47_3_a13/}
}