A. R. Ashrafi, T. Doslic, M. Saheli, The ecentric connectivity of ´ TUC4C8(R) nanotubes, MATCH Communications in Mathematical and in Computer Chemistry, 65 (2011) 221–230.
 A. T. Balaban, Applications of graph theory in chemistry, Journal of Chemical Information and Computer Sciences, 25 (1985) 334–343.
 K. Balasubramanian, Graph edge colorings and their chemical applications, Theoretical Chemistry Accounts, 74 (1988) 111–222.
 L. W. Beineke and R. J. Wilson, On the edge-chromatic number of a graph, Discrete Mathematics, 5 (1973) 15–20.
 M. J. Bialek, J. Janczak and J. Zon, Naphthalene-based linkers for metal phosphonates: synthesis, structure, and interesting conformational flexibility influence on final lanthanum hybrids, CrystEngComm, 15 (2013) 390–399.
 J. A. Bondy and U.S.R. Murty, Graph theory with Applications. London: MacMillan, 1976.
 G. J. Chang, S. H. Chen, C. Y. Hsu, C. M. Hung and H. L. Lai, Strong edge-coloring for jellyfish graphs, Discrete Mathematics, 338 (12) (2015) 2348–2355.
 D. W. Cranston, Strong edge-coloring of graphs with maximum degree 4 using 22 colors, Discrete Mathematics, 306 (2006) 2772–2778.
 J. L. Fouquet and J. L. Jolivet, Strong edge-colorings of graphs and applications to multi-k-gons, Ars Combinatoria, 16A (1983) 141–150.
 T. A. Fozan, P. Manuel, I. Rajasingh and R. S. Rajan, Computing Szeged Index of Certain Nanosheets Using Partition Technique, MATCH Communications in Mathematical and in Computer Chemistry, 72 (2014) 339–353.
 A. Graovac, I. Gutman, M. Randi ´ c and N. Trinajsti ´ c, Kekul ´ e index for valence bond structures of ´ conjugated polycyclic systems, Journal of the American Chemical Society, 95 (1973) 6267–6273.
 J. E. Graver and E. J. Hartung, Kekulean benzenoids, Journal of Mathematical Chemistry, 52 (2014) 977–989.
 I. Gutman, B. Arsic, M. Deni ´ c and I. Stojanovi ´ c, Benzenoid isomers with greatest and smallest ´ Kekule structure counts, Journal of the Serbian Chemical Society, 71 (7) (2006) 785–791. ´
 I. Gutman and O. Polansky, Mathematical Concepts in Organic Chemistry, Springer-Verlag, Berlin, 1986.
 M. Huhtala, A. Kuronen and K. Kaski, Carbon nanotube structures: molecular dynamics simulation at realistic limit, Computer Physics Communications, 146 (1) (2002) 30–37.
 A. V. Karzanov and E. A. Timofeev, Efficient algorithm for finding all minimal edge cuts of a nonoriented graph, Cybernetics, 22 (1986) 156–162.
 M. Mahdian, On the computational complexity of strong edge coloring Discrete Applied Mathematics, 118 (2002) 239–248.
 P. Manuel, I. Rajasingh, B. Rajan and A. S. Shanthi, Excessive Index of certain chemical structures, International Journal of Pure and Applied Mathematics, 84 (2013) 39–48.
 P. Manuel, I. Rajasingh, B. Rajan and R. S. Rajan . A New Approach To Compute Wiener Index, Journal of Computational and Theoretical Nanoscience, 10 (2013) 1515–1521.
 I. Moffatt, Unsigned State Models for the Jones Polynomial, Annals of Combinatorics, 15 (2011) 127–146.
 S. Tang and H. Deng, On the anti-kekule number of three fence graphs, Digest Journal of Nano- materials and Biostructures, 6 (2011) 439–443.
 A. Turchanin, A. Beyer, C. T. Nottbohm, X. Zhang, R. Stosch, A. Sologubenko, J. Mayer, P. Hinze, T. Weimann and A. Golzh ¨ auser, One nanometer thin carbon nanosheets with tunable conductivity ¨ and stiffness, Advanced Materials, 21 (2009) 1233–1237.