|
[1] R. Alter and C.C. Wang, Uniquely intersectable graphs, Discrete Math- ematics 18 (1977) 217-226. [2] R. P. Anstee and M. Farber, Characterizations of totally balanced matrices, J. Algorithms 5 (1984) 215-230. [3] Batten L. M., Combinatorics of Finite Geometries, Cambridge University Press, Cambridge, New York, Melbourne (1986). [4] Batten L. M. and Beutelspacher A., The theory of finite linear spaces, Cambridge University Press (1993). [5] W. G. Bridges, Near 1-designs, Journal of Combinatorial Theory (Series A) Volume 13 Issue 1 (July 1972) 116-126. [6] de Bruijn N. G. and Erd¨os P. (1948), On a combinatorial problem, Indag. Math. 10 421-423 and Nederl. Akad. Wetensch. Proc. Sect. Sci. 51 1277- 1279. [7] S. Bylka and J. Komar, Intersection properties of line graphs, Discrete Mathematics 164 (1997) 33-45. [8] P. Erd¨os, A. Goodman, and L. Posa, The representation of a graph by set intersections, Canad. J. Math. 18 (1966) 106-112. [9] M. Frber, Characterizations of strongly chordal graphs, Discrete Math. 43 (1983) 173-189. [10] N. V. R. Mahadev and T. M. Wang, On uniquely intersectable graphs, Discrete Mathematics 207 (1999) 149-159. [11] Sean McGuinness and Rolf REES, On the number of distinct minimal clique partitions and clique covers of a line graph, Discrete Math. 83 (1990) 49-62. [12] McGuinness S., The greedy clique decomposition of a graph, J. Graph Th. 18 (1994) 427-430. [13] J. Orlin, Contentment in graph theory: covering graphs with cliques, Indag. Math. 39 (1977) 406-424. [14] E. Prisner, Hereditary clique-Helly graphs, J. Combin. Math. Combin. Comput. 14 (1993) 216-220. [15] J.L. Szwarcfiter, Recognizing clique-Helly graphs, Ars Combinatoria 45 (1997) 29-32. [16] M. Tsuchiya, On intersection graphs with respect to uniform families, Utilitas Math. 37 (1990) 3-12. [17] M. Tsuchiya, On intersection graphs with respect to antichains (II), Utilitas Math. 37 (1990) 29-44. [18] W.D. Wallis and G-H. Zhang, On maximal clique irreducible graphs, J. Combin. Math. Combin. Comput. 8 (1990) 187-193. [19] D. B. West, Introduction to Graph Theory, Second Edition, Prentice- Hall, Upper Saddle River, NJ, 2004.
|