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2. Zagreb indices of bridge and chain graphs;Azari;MATCH Commun. Math. Comput. Chem.,2013
3. Spectra of Graphs Theory and Application;Cvetkocić,1980
4. Further Properties of the Second Zagreb Index;Fonseca;MATCH Commun. Math. Comput. Chem.,2014
5. On Zagreb and Harary Indices;Das;MATCH Commun. Math. Comput. Chem.,2013