Graph metric with no proper inclusion between lines

Xiaomin Chen, Guangda Huzhang, Peihan Miao, Kuan Yang. Graph metric with no proper inclusion between lines. Discrete Applied Mathematics, 185:59-70, 2015. [doi]

@article{ChenHMY15,
  title = {Graph metric with no proper inclusion between lines},
  author = {Xiaomin Chen and Guangda Huzhang and Peihan Miao and Kuan Yang},
  year = {2015},
  doi = {10.1016/j.dam.2014.12.022},
  url = {http://dx.doi.org/10.1016/j.dam.2014.12.022},
  researchr = {https://researchr.org/publication/ChenHMY15},
  cites = {0},
  citedby = {0},
  journal = {Discrete Applied Mathematics},
  volume = {185},
  pages = {59-70},
}