@article{10_2140_agt_2015_15_1161,
     author = {Huh, Youngsik and Lee, Jung Hoon},
     title = {Linearly embedded graphs in 3{\textendash}space with homotopically free exteriors},
     journal = {Algebraic and Geometric Topology},
     pages = {1161--1173},
     year = {2015},
     volume = {15},
     number = {2},
     doi = {10.2140/agt.2015.15.1161},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2015.15.1161/}
}