International Journal of Applied Mathematics and Machine Learning[1] R. Todeschini and V. Consonni, Handbook of Molecular Descriptors,
Wiley, Weinheim, 2000.
[2] N. Trinajstić, Chemical Graph Theory, CRC Press, Boca Raton,
FL, 1992.
[3] N. Trinajstić and I. Gutman, Mathematical Chemistry, Croat.
Chem. Acta 75 (2002), 329-356.
[4] I. Gutman and O. E. Polansky, Mathematical Concepts in Organic
Chemistry, Springer-Verlag, New York, 1986.
[5] M. Randić, On characterization of molecular branching, J.
Amer. Chem. Soc. 97 (1975), 6609-6615.
[6] X. Li and I. Gutman, Mathematical Aspects of Randić-Type
Molecular Structure Descriptors, in: Mathematical Chemistry
Monographs, Vol. 1, Kragujevac, 2006.
[7] L. B. Kier and L. H. Hall, Molecular Connectivity in Chemistry and
Drug Research, Academic Press, New York, 1976.
[8] L. B. Kier and L. H. Hall, Molecular Connectivity in
Structure-Activity Analysis, Research Studies Press, Wiley,
Chichester, UK, 1986.
[9] X. Li and Y. Shi, A survey on the Randić index, MATCH Commun.
Math. Comput. Chem. 59 (2008), 127-156.
[10] M. R. Farahani, Some connectivity indices and Zagreb index of
polyhex nanotubes, Acta Chim. Slov. 59 (2012), 779-783.
[11] M. V. Diudea, Fuller. Nanotub. Carbon Nanostruct. 10 (2002),
273.
[12] V. Alamian, A. Bahrami and B. Edalatzadeh, PI polynomial
of V-phenylenic nanotubes and nanotori, Int. J. Mol. Sci. 9
(2008), 229-234.
[13] J. Asadpour, Some topological polynomial indices of
nanostructures, Optoelectron. Adv. Mater.-Rapid Commun. 5(7) (2011),
769-772.
[14] A. Bahrami and J. Yazdani, Vertex PI index of
V-phenylenic nanotubes and nanotori, Digest Journal of
Nanomaterials and Biostructures 4(1) (2009), 141-144.
[15] M. Davoudi Monfared, A. Bahrami and J. Yazdani, PI
polynomial of V-phenylenic nanotubes, Digest Journal of
Nanomaterials and Biostructures 5(2) (2010), 441-445.
[16] M. Ghorbani, H. Mesgarani and S. Shakeraneh, Computing GA index
and ABC index of V-phenylenic nanotube, Optoelectron. Adv.
Mater.-Rapid Commun. 5(3) (2011), 324-326.
[17] N. Prabhakara Rao and K. L. Lakshmi, Eccentricity connectivity
index of V-phenylenic nanotubes, Digest Journal of
Nanomaterials and Biostructures 6(1) (2010), 81-87.
[18] M. R. Farahani, Computing 
index of V-phenylenic nanotubes and
nanotori, Int. J. Chem Model 5(4) (2013), 479-484.
[19] M. R. Farahani, Computing fourth atom-bond connectivity index of
V-phenylenic nanotubes and nanotori, Acta Chimica Slovenica
60(2) (2013), 429-432.
[20] M. R. Farahani, Computing theta polynomial and theta index of
V-phenylenic planar, nanotubes and nanotoris, International
Journal of Theoretical Chemistry 1(1) (2013), 01-09.
