1. The Design and Analysis of Computer Algorithms;Aho,1974
2. Graph Theory with Applications;Bondy,1976
3. P-Q-Tree Algorithms;Booth,1975
4. Introduction to the Theory of Graphs;Chartrand,1971
5. Graphes Planaires: Reconnaissance et Construction de Représentations Planaires Topologiques;Demoucron;Rev. Française Informat. Recherche Opérationnelle,1964