Natan Rubin. Lines Avoiding Balls in Three Dimensions Revisited. Discrete & Computational Geometry, 48(1):65-93, 2012. [doi]
@article{Rubin12-0,
title = {Lines Avoiding Balls in Three Dimensions Revisited},
author = {Natan Rubin},
year = {2012},
doi = {10.1007/s00454-012-9401-0},
url = {http://dx.doi.org/10.1007/s00454-012-9401-0},
researchr = {https://researchr.org/publication/Rubin12-0},
cites = {0},
citedby = {0},
journal = {Discrete & Computational Geometry},
volume = {48},
number = {1},
pages = {65-93},
}