@article{10_2140_agt_2010_10_2091,
     author = {Mathews, Daniel},
     title = {Chord diagrams, contact-topological quantum field theory and contact categories},
     journal = {Algebraic and Geometric Topology},
     pages = {2091--2189},
     year = {2010},
     volume = {10},
     number = {4},
     doi = {10.2140/agt.2010.10.2091},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.2091/}
}