János Pach, Ido Safruti, Micha Sharir. The union of congruent cubes in three dimensions. In Symposium on Computational Geometry. pages 19-28, 2001. [doi]
@inproceedings{PachSS01,
title = {The union of congruent cubes in three dimensions},
author = {János Pach and Ido Safruti and Micha Sharir},
year = {2001},
doi = {10.1145/378583.378598},
url = {http://doi.acm.org/10.1145/378583.378598},
researchr = {https://researchr.org/publication/PachSS01},
cites = {0},
citedby = {0},
pages = {19-28},
booktitle = {Symposium on Computational Geometry},
}