Bonnet, Édouard, Feghali, C., Nguyen, T., Scott, A., Seymour, P., Thomassé, S. and Trotignon, N. (2025) “Graphs without a 3-Connected Subgraph are 4-Colourable”, The Electronic Journal of Combinatorics, 32(1), p. P1.26. doi: 10.37236/13181.