@article{10_4153_CMB_2000_022_7,
     author = {Chang, Jae-Ho and Lee, Sang Youl and Park, Chan-Young},
     title = {On the {2-Parallel} {Versions} of {Links}},
     journal = {Canadian mathematical bulletin},
     pages = {145--156},
     year = {2000},
     volume = {43},
     number = {2},
     doi = {10.4153/CMB-2000-022-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-022-7/}
}