Leah Wrenn Berman, Glenn G. Chappell, Jill R. Faudree, John Gimbel, Chris Hartman, Gordon I. Williams. Graphs with Obstacle Number Greater than One. J. Graph Algorithms Appl., 21(6):1107-1119, 2017. [doi]
@article{BermanCFGHW17,
title = {Graphs with Obstacle Number Greater than One},
author = {Leah Wrenn Berman and Glenn G. Chappell and Jill R. Faudree and John Gimbel and Chris Hartman and Gordon I. Williams},
year = {2017},
doi = {10.7155/jgaa.00452},
url = {https://doi.org/10.7155/jgaa.00452},
researchr = {https://researchr.org/publication/BermanCFGHW17},
cites = {0},
citedby = {0},
journal = {J. Graph Algorithms Appl.},
volume = {21},
number = {6},
pages = {1107-1119},
}