Graphs with fourth Laplacian eigenvalue less than two

Xiao-Dong Zhang. Graphs with fourth Laplacian eigenvalue less than two. Eur. J. Comb., 24(6):617-630, 2003. [doi]

@article{Zhang03:27,
  title = {Graphs with fourth Laplacian eigenvalue less than two},
  author = {Xiao-Dong Zhang},
  year = {2003},
  doi = {10.1016/S0195-6698(03)00069-6},
  url = {http://dx.doi.org/10.1016/S0195-6698(03)00069-6},
  tags = {graph-rewriting, rewriting},
  researchr = {https://researchr.org/publication/Zhang03%3A27},
  cites = {0},
  citedby = {0},
  journal = {Eur. J. Comb.},
  volume = {24},
  number = {6},
  pages = {617-630},
}