Shmuel Onn, Rom Pinchasi. A note on the minimum number of edge-directions of a convex polytope. Journal of Combinatorial Theory, Series A, 107(1):147-151, 2004. [doi]
@article{OnnP04,
title = {A note on the minimum number of edge-directions of a convex polytope},
author = {Shmuel Onn and Rom Pinchasi},
year = {2004},
doi = {10.1016/j.jcta.2004.03.008},
url = {http://dx.doi.org/10.1016/j.jcta.2004.03.008},
researchr = {https://researchr.org/publication/OnnP04},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {107},
number = {1},
pages = {147-151},
}