Padmini Mukkamala, János Pach, Dömötör Pálvölgyi. Lower Bounds on the Obstacle Number of Graphs. Electr. J. Comb., 19(2):32, 2012. [doi]
@article{MukkamalaPP12,
title = {Lower Bounds on the Obstacle Number of Graphs},
author = {Padmini Mukkamala and János Pach and Dömötör Pálvölgyi},
year = {2012},
url = {http://www.combinatorics.org/ojs/index.php/eljc/article/view/v19i2p32},
researchr = {https://researchr.org/publication/MukkamalaPP12},
cites = {0},
citedby = {0},
journal = {Electr. J. Comb.},
volume = {19},
number = {2},
pages = {32},
}