Michael Kaufmann, Dorothea Wagner (Eds.):
Drawing Graphs, Methods and Models (the book grow out of a Dagstuhl Seminar, April 1999).
Lecture Notes in Computer Science 2025 Springer 2001, ISBN 3-540-42062-2 
Gabriele Neyer:
Map Labeling with Application to Graph Drawing.
247-273
data released under the ODC-BY 1.0 license
