@article{10_2140_agt_2006_6_1745,
     author = {Wu, Hao},
     title = {Legendrian links and the spanning tree model for {Khovanov} homology},
     journal = {Algebraic and Geometric Topology},
     pages = {1745--1757},
     year = {2006},
     volume = {6},
     number = {4},
     doi = {10.2140/agt.2006.6.1745},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.1745/}
}