[1] Buckley F., Harary F.: Distance in Graphs. Addison-Wesley, New York, 1990. Zbl 0688.05017

[2] Buckley F., Lewinter M.: Graphs with diametral paths through distant central nodes. Math. Comput. Modelling 17 (1993), no. 11, 35-41. MR 1236507

[3] Buckley F., Lewinter M.: Minimal graph embeddings, eccentric vertices and the peripherian. Proc. Fifth Caribbean Conference on Combinatorics and Computing. University of the West Indies, 1988, pp. 72-84.

[4] Gliviak F.: On radially critical graphs. Recent Advances in Graph Theory, Proc. Int. Symp. Prague 1974, Academia Press, Prague, 1975, pp. 207-221. MR 0384613

[5] Lewinter M.: Graphs with special distance properties. Quo Vadis Graph Theory? (J. Gimbel, J.W. Kennedy and L. V. Quintas, eds.). Annals of Discrete Mathematics Vol. 55, Elsevier, Amsterdam, 89-92. MR 1217982