Espelage, Wolfgang, Frank Gurski, and Egon Wanke. “Deciding Clique-Width for Graphs of Bounded Tree-Width”. Journal of Graph Algorithms and Applications 7, no. 2 (January 1, 2003): 141–180. Accessed May 12, 2025. https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper65.