Beaudou, L., Bondy, A., Chen, X., Chiniforooshan, E., Chudnovsky, M., Chvátal, V., Fraiman, N. and Zwols, Y. 2015. A De Bruijn–Erdős Theorem for Chordal Graphs. The Electronic Journal of Combinatorics. 22, 1 (Mar. 2015), P1.70. DOI:https://doi.org/10.37236/3527.