@article{GT_2008_12_4_a7,
     author = {Cha, Jae Choon and Kim, Taehee},
     title = {Covering link calculus and iterated {Bing} doubles},
     journal = {Geometry & topology},
     pages = {2173--2201},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2008},
     doi = {10.2140/gt.2008.12.2173},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2008.12.2173/}
}