@article{10_4153_CMB_1974_018_8,
     author = {Thomas, R. S. D.},
     title = {Partially {Closed} {Braids}},
     journal = {Canadian mathematical bulletin},
     pages = {99--107},
     year = {1974},
     volume = {17},
     number = {1},
     doi = {10.4153/CMB-1974-018-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-018-8/}
}