@article{CMUC_2003_44_3_a10,
     author = {Obersnel, Franco},
     title = {Open maps do not preserve {Whyburn} property},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {525--530},
     year = {2003},
     volume = {44},
     number = {3},
     mrnumber = {2025818},
     zbl = {1098.54008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2003_44_3_a10/}
}