Dankelmann, Peter, Jennifer D. Key, and Bernardo G. Rodrigues. “A Characterization of Graphs by Codes from Their Incidence Matrices”. The Electronic Journal of Combinatorics 20, no. 3 (August 16, 2013): P18. Accessed March 15, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v20i3p18.