1. Graph Theory with Applications
2. Clancy, K., Haythorpe, M. and Newcombe, A. (2020) A Survey of Graphs with Known or Bounded Crossing Numbers. The Electronic Journal of Combinatorics, 78, 209-296.
3. The crossing number of the generalized Petersen graph $P[3k,k]$
4. Crossing Number is NP-Complete
5. The Crossing Number of P(N, 3)