1. Lecture Notes in Computer Science;M. Baur,2008
2. Becker, M.Y., Rojas, I.: A graph layout algorithm for drawing metabolic pathways. Bioinformatics 17(5), 461–467 (2001)
3. Bertsekas, D.P.: Nonlinear Programming. Athena Scientific, Belmont (1999)
4. Borg, I., Groenen, P.J.F.: Modern Multidimensional Scaling: Theory and Applications, 2nd edn. Springer, Heidelberg (2005)
5. Dwyer, T.: Scalable, versatile and simple constrained graph layout. In: Proc. Eurographics/IEEE-VGTC Symp. on Visualization (Eurovis 2009). IEEE, Los Alamitos (2009) (to appear)