1. Designs, Graphs, Codes and their Links;Cameron,1991
2. Resolvability in graphs and metric dimension of a graph;Chartrand;Disc. Appl. Math.,2000
3. S. Khuller, B. Raghavachari, A. Rosenfeld, Localization in graphs, Technical Report CS-TR-3326, University of Maryland at College Park, 1994.
4. On metric generators of graphs;Sebö;Math. Oper. Res.,2004
5. Leaves of trees;Slater;Congress. Numer.,1975