@article{10_2140_agt_2015_15_3305,
     author = {Lee, Minjung and Kim, Hyoungjun and Lee, Hwa Jeong and Oh, Seungsang},
     title = {Exactly fourteen intrinsically knotted graphs have 21 edges},
     journal = {Algebraic and Geometric Topology},
     pages = {3305--3322},
     year = {2015},
     volume = {15},
     number = {6},
     doi = {10.2140/agt.2015.15.3305},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.3305/}
}