AgaAroCha-DCG-98

@article{AgaAroCha-DCG-98,
title = {On levels in arrangements of lines, segments, planes, and triangles},
author = {Pankaj Kumar Agarwal and Boris Aronov and Timothy Moon-Yew Chan and Micha Sharir},
journal = {Discrete & Computational Geometry},
volume = {19},
number = {3},
pages = {315--331},
month = {Apr},
year = {1998}}