@article{10_4153_CMB_1996_042_3,
     author = {Park, Joon-Sik and Oh, Won Tae},
     title = {The {Abbena-Thurston} {Manifold} as a {Critical} {Point}},
     journal = {Canadian mathematical bulletin},
     pages = {352--359},
     year = {1996},
     volume = {39},
     number = {3},
     doi = {10.4153/CMB-1996-042-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1996-042-3/}
}