@article{WocjanE19,
  title = {Spectral Lower Bounds for the Orthogonal and Projective Ranks of a Graph},
  author = {Pawel Wocjan and Clive Elphick},
  year = {2019},
  url = {https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i3p45},
  researchr = {https://researchr.org/publication/WocjanE19},
  cites = {0},
  citedby = {0},
  journal = {Electr. J. Comb.},
  volume = {26},
  number = {3},
  pages = {3},
}