@article{GT_2005_9_3_a9,
     author = {Ng, Lenhard},
     title = {Knot and braid invariants from contact homology {II}},
     journal = {Geometry & topology},
     pages = {1603--1637},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {2005},
     doi = {10.2140/gt.2005.9.1603},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2005.9.1603/}
}