1. AEOLUS, structural properties of overlay computers: state of the art survey and algorithmic solutions, Deliverable D1.1.1, Project IP-FP6-015964 of EEC, 2006. http://aeolus.ceid.upatras.gr/sub-projects/deliverables/D111.pdf.
2. Proofs from the Book;Aigner,2004
3. Crossing-free subgraphs;Ajtai,1982
4. Topological complete subgraphs in random graphs;Ajtai;Studia Sci. Math. Hungar.,1979
5. Coloring with no 2-colored P4’s;Albertson;Electron. J. Combin.,2004