Angelini, Patrizio, Ignaz Rutter, and Sandhya T P. “Extending Partial Orthogonal Drawings”. Journal of Graph Algorithms and Applications 25, no. 1 (January 1, 2021): 581–602. Accessed July 6, 2024. http://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper573.