Van Aardt, Susan A., Frick, Marietjie, Dunbar, Jean E., and Oellermann, Ortrud. “Detour Saturated Oriented Graphs”. Utilitas Mathematica 79 (June 9, 2009). Accessed July 9, 2026. https://utilitasmathematica.com/index.php/Index/article/view/625.