1. A. R. Ashrafi, A. Loghman, PI index of armchair polyhex nanotubes, Ars Comb., 80, 193–199 (2006).
2. A. R. Ashrafi, M. Mirzargar, PI, Szeged, edge Szeged indices of an infinite family of nanostar dendrimers, Indian J. Chem., 47A, 538–541 (2008).
3. A. R. Ashrafi, M. Saheli, Computing eccentric connectivity index of a class of nanostar dendrimers, Kragujevac J. Sci., 34, 65–70 (2012).
4. N. De, S. M. A. Nayeem, A. Pal, Computing modified eccentric connectivity index and connective eccentric index of V-phenylenicnano torus, Stud. UBBChem., 59, 129–137 (2014).
5. I. Gutman, P. Khadikar, P. Rajput, S. Karmarkar, The Szeged index of polyacenes, J. Serb. Chem. Soc., 60, 759–764 (1995).
6. I. Gutman, O. E. Polansky, Mathematical Concepts in Organic Chemistry, SpringerVerlag, New York (1986).
7. A. Hedyari, B. Taeri, Wiener and Schultz indices of TUC4C8(R) nanotubes, J. Comp. Thoer. Nanosci., 4, 158–167 (2007).
8. A. Iranmanesh, N. A. Gholami, Computing the Szeged index of styryl benzene dendrimer and triarylamine dendrimer of generation 1-3, Math. Comput. Chem., 62, 371–379 (2009).
9. A. Karbasioun, A. R. Ashrafi, Wiener and detour indices of a new type of nanostar dendrimers, Macedonian J. Chem. Eng., 28, 49–54 (2009).
10. M. Saheli, A. R. Ashrafi, The eccentric connectivity index of nanostar dendrimers, International Journal of Chemical Modeling., 3, 227–232 (2011).
11. V. Sharma, R. Goswami, A. K. Madan, Eccentric connectivity index: A novel highly discriminating topological descriptor for structure-property and structure-activity studies, J. Chem. Inf. Comput. Sci., 37, 273–282 (1997).
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