@article{DMTCS_2017_19_1_a2,
     author = {van Aardt, Susan and Burger, Alewyn Petrus and Frick, Marietjie},
     title = {The {Existence} of {Planar} {Hypotraceable} {Oriented} {Graphs}},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2017-2018},
     doi = {10.23638/DMTCS-19-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.23638/DMTCS-19-1-4/}
}