Reference:
Fixed-parameter tractability and lower bounds for stabbing problems (Panos Giannopoulos, Christian Knauer, Günter Rote, Daniel Werner), In Comput. Geom., volume 46, 2013.
Bibtex Entry:
@article{journals/comgeo/GiannopoulosKRW13,
author = {Panos Giannopoulos and
Christian Knauer and
G{\"u}nter Rote and
Daniel Werner},
title = {Fixed-parameter tractability and lower
bounds for stabbing problems},
journal = {Comput. Geom.},
volume = {46},
number = {7},
year = {2013},
pages = {839--860},
doi = {10.1016/j.comgeo.2011.06.005}
}