@article{10_37236_3476,
     author = {Ruy Fabila-Monroy and David R. Wood},
     title = {Rooted {\(K_4\)-minors}},
     journal = {The electronic journal of combinatorics},
     year = {2013},
     volume = {20},
     number = {2},
     doi = {10.37236/3476},
     zbl = {1295.05218},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3476/}
}