1. Angelini, P., Di Battista, G., Didimo, W., Frati, F., Hong, S.-H., Kaufmann, M., Liotta, G., Lubiw, A.: RAC and LAC drawings of planar graphs in subquadratic area. In: ECG 2011, pp. 125–128 (2011)
2. Lecture Notes in Computer Science;P. Angelini,2011
3. Lecture Notes in Computer Science;T.C. Biedl,2002
4. Lecture Notes in Computer Science;T.C. Biedl,2010
5. Bodlaender, H.L.: A partial k-arboretum of graphs with bounded treewidth. TCS 209(1-2), 1–45 (1998)