___

• Aalipour, G., Abiad, A., Berikkyzy, Z., Cummings, J., De Silva, J., Gao, W., Heysse, K., Hogben, L., Kenter, F. H. J., Lin, J. C.-H., Tait, M., (2016), On the distance spectra of graphs, Linear Algebra Appl., 497, pp. 66–87.
• Adiga, C., Rakshith, B. R., (2016), On spectra of variants of the corona of two graphs and some new equienergetic graphs, Discussions Math. Graph Thy., 36, pp. 127–140.
• Adiga, C., Balakrishnan, R., So, W., (2010), The skew energy of a digraph, Linear Algebra Appl., , pp. 1825–1835.
• Adiga, C., Rakshith, B. R., (2016), More skew–equienergetic digraphs, Commun. Comb. Opt., 1, pp. –66.
• Aouchiche, M., Hansen, P., (2014), Distance spectra of graphs: a survey, Linear Algebra Appl., 458, pp. 301–386.
• Balakrishnan, R., (2004), The energy of a graph, Linear Algebra Appl., 387, pp. 287–295.
• Balakrishnan, R., Kavaskar, T., So, W., (2012), The energy of the Mycielskian of a regular graph
• Australasian J. Comb., 52, pp. 163–171. Behtoei, A., Anbarloei, M., (2016), Degree Distance Index of the Mycielskian and its Complement
• Iranian J. Math. Chem., 7, pp. 1–9. Brankov, V., Stevanovi´c, D., Gutman, I., (2004), Equienergetic chemical trees, J. Serb. Chem. Soc., , pp. 549–553.
• Consonni, V., Todeschini, R., (2008), New spectral indices for molecule description, MATCH Commun.
• Math. Comput. Chem., 60, pp. 3–14. Cvetkovi´c, D., Doob, M., Sachs, H., (1995), Spectra of Graphs - Theory and Application, Johann
• Ambrosius Barth Verlag. Ferrar, W. L., (1953), A Text-Book of Determinants, Matrices and Algebraic Forms, Oxford University Press.
• Gong, S., Li, X., Xu, G., Gutman, I., Furtula, B., (2015), Borderenergetic graphs, MATCH Commun.
• Math. Comput. Chem., 74, pp. 321–332. Graham, R. L., Pollack, H. O., (1971), On the addressing problem for loop switching, Bell Syst. Tech. J., 50, pp. 2495-2519.
• Gutman, I., (1978), The energy of a graph, Ber. Math. Statist. Sekt. Forschungsz. Graz, 103, pp. –22.
• Ili´c, A., (2010), Distance spectra and distance energy of integral circulant graphs, Linear Algebra Appl., 433, pp. 1005–1014.
• Indulal, G., Gutman, I., Vijayakumar, A., (2008), On distance energy of graphs, MATCH Commun.
• Math. Comput. Chem., 60, pp. 461–472. Indulal, G., Stevanovi´c, D., (2015), The distance spectrum of the corona and cluster of two graphs
• AKCE Int. J. Graphs Comb., 12, pp. 186-192. Indulal, G., Balakrishnan, R., (2016), Distance spectrum of Indu–Bala product of graphs, AKCE Int. J. Graphs Comb., 3, pp. 230–234.
• Li, X., Shi, Y., Gutman, I., (2012), Graph Energy, Springer, New York.
• Mycielski, J., (1955), Sur le coloriage des graphs, Colloq. Math., 3, pp. 161–162.
• Ramane, H. S., Gutman, I., Revankar, D. S., (2008), Distance equienergetic graphs, MATCH Com- mun. Math. Comput. Chem., 60, pp. 473–484.
• Ramane, H. S., Revankar, D. S., Gutman, I., Walikar, H. B., (2009), Distance spectra and distance energies of iterated line graphs of regular graphs, Publ. Inst. Math., 85, pp. 39–46.
• Ramane, H. S., Walikar, H. B., Rao, S. B., Acharya, B. D., Hampiholi, P. R., Jog, S. R., Gutman, I., (2004), Equienergetic graphs, Kragujevac J. Math., 26, pp. 5–13.
• Stevanovi´c, D., Indulal, G., (2009), The distance spectrum and energy of the compositions of regular graphs, Appl. Math. Lett., 22, pp. 1136–1140.
• Xu, L., Hou, Y., (2007), Equienergetic bipartite graphs, MATCH Commun. Math. Comput. Chem., , pp. 363–370.