@article{AgaEfrSha-SJC-99,
title = {Vertical decomposition of shallow levels in 3-dimensional arrangements and its applications},
author = {Pankaj Kumar Agarwal and Alon Efrat and Micha Sharir},
journal = {SIAM J. Computing},
publisher = {SIAM},
volume = {29},
number = {3},
pages = {912--953},
month = {Dec},
year = {1999}}