1. Adachi, N., Kananaka, S., Matsumoto, Y., & Rudy, R. (2009). Apparatus and method for supporting document data search. US Patent US2009/03272779 A1.
2. LNCS tutorial;U. Brandes,2001
3. Chiba, N., Yamanouchi, T., & Nishizeki, T. (1984). Linear algorithms for convex drawings of planar graphs. In Bondy (Ed.), Progress in graph theory (pp. 153–173). San Diego: Academic Press.
4. Chimani, M., Gutwenger, C., Juenger, M., Klau, G., Klein, K., & Mutzel, P. (2011). The open graph drawing framework (OGDF).
http://www.cs.brown.edu/~rt/gdhandbook/chapters/ogdf.pdf
.
5. Chrobak, M., & Payne, T. (1995). A linear-time algorithm for drawing a planar graph on a grid. Information Processing Letters, 54, 241–246.