762 CHAPTER 24. GRAPH DRAWING IN EDUCATION
[Tam98] R. Tamassia. Constraints in graph drawing algorithms. Constraints,
3(1):89–122, 1998.
[Tun94] D. Tunkelang. A practical approach to drawing undirected graphs. Tech-
nical Report CMU-CS-94-161, School Comput. Sci., Carnegie Mellon Uni-
versity, June 1994.
[Wad01] V. E. Waddle. Graph layout for displaying data structures. In GD ’00:
Proceedings of the 8th International Symposium on Graph Drawing, pages
241–252. Springer-Verlag, 2001.
[Wal90] J. Q. Walker II. A node-positioning algorithm for general trees. Softw. –
Pract. Exp., 20(7):685–705, 1990.
[WBP04] David Workman, Margaret Bernard, and Steven Pothoven. An incremen-
tal editor for dynamic hierarchical drawing of trees. In Marian Bubak,
Geert Dick