Youzou Miyadera, Koushi Anzai, H. Banba. A method of drawing tree-structured program diagrams on the Euclidian plane. In Seventeenth Annual International Computer Software and Applications Conference, COMPSAC 1993, Proceedings, Phoenix, AZ, USA, 1-5 November, 1993. pages 193-201, IEEE, 1993. [doi]
Abstract is missing.