@article{10_4153_CJM_1974_091_6,
     author = {Rolfsen, Dale},
     title = {Some {Counterexamples} in {Link} {Theory}},
     journal = {Canadian journal of mathematics},
     pages = {978--984},
     year = {1974},
     volume = {26},
     number = {4},
     doi = {10.4153/CJM-1974-091-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-091-6/}
}